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Goodmans Extensometer by Patrick Adie London
For sale, a rare Edwardian Goodman’s Extensometer by Patrick Adie of London.
Extensometers are instruments for measuring the elastic strength of materials in tension or compression and this particular example is featured in the 1916 publication: “The Strength of Materials, A Text-Book for Engineers and Architects by Ewart S Andrews.
The following description can be read alongside the provided image of the book plate to provide full understanding of its use.
“This extensometer is of very simple form and was designed by Professor Goodman of Leeds. It consists of two forked clips, (AB) which carry pointed screws engaging in the centre punch marks in the specimen and are connected to rods (C) which join at their ends and carry a scale (D) on a projecting piece.
Two light rods (EF) form a fixed triangle, and the vertical rod (E) projects and has a small groove at its end which forms a bearing for a knife edge carried by the pointer (P). A second knife edge on the latter rests upon a second vertical rod (H) depending from the upper clip (A). A small screw is provided for bringing the pointer to zero at the beginning of a test. The strain of a specimen causes the rod (H) to move slightly relative to the rod (E), this movement being magnified 100 times by the pointer lever.
This and most other extensometers should be taken off the specimen as soon as the yield point is reached.”
This unusual instrument is constructed of solid brass, with bone engraved scale and wooden scale pointer all incorporated in its original box which maintains its trade label to “Patrick Adie, Optician, Mathematical & Scientific Instrument Maker. Broadway Works, Westminster. London”. It should also be noted that the original address of Broadway Works has been crossed out and replaced in red ink with the address of 45 Horseferry road.
This change is significant for dating in that the Patrick Adie Company moved from Broadway Works n and around 1901 so it is likely that this instrument was manufactured at Broadway and was late sold at Horseferry after the company’s relocation.
The history of the Adie dynasty began in 1776 with the celebrated Edinburgh scientific instrument maker John Miller, the uncle of Alexander Adie. Miller himself had been apprenticed under the world renowned maker George Adams so Alexander was privileged to have had an uncle from such a prestigious background.
From 1789, Adie (1774 – 1858) undertook his apprenticeship with Miller and by 1804, a partnership was agreed which traded at various addresses on Nicholson Street. Miller & Adie continued to trade until 1822 (although Miller had died by 1815) whereafter the business was renamed solely to Alexander Adie. By this point, Adie was himself an accomplished maker with a focus on meteorological instruments and had by 1818 taken out a patent (No: 4323) for a sympiesometer, a type of barometer designed initially for marine use which contained hydrogen and almond oil instead of mercury. Perhaps the most well-known instrument that the Adie family are now recognised for, this invention was patented as, “An improvement on the air barometer” an instrument that had been conceived as early as 1668 by Robert Hooke but never brought into practical use until Adie’s later developments.
By 1822, Adie had a family of three sons, John (1805-1857), Richard (1810-1881) and Patrick (1821-1886) and it is sensible to presume that all undertook some kind of apprenticeship under him. The eldest, John went into business with his Father to form Adie & Son in 1835 and Richard is also known to have worked for the firm. Like many scientific instrument making firms of the period, both Richard and Patrick were to go on to set up their own successful satellite firms under their own names both in Liverpool and London respectively.
In Edinburgh, the partnership between Alexander and John continued to grow, they received Royal Appointments from both William IV and Queen Victoria and were the only two instrument makers elected as Fellows of The Royal Society of Edinburgh. The links with the Society are considered to be the reason for their commission to build William Wallace’s patent Eidograph, an improvement to the less accurate pantograph. They had trading links with Spencer, Browning & Rust (they retailed Adie’s Sympiesometer) and John completed the installation of a Troughton & Simms altazimuth circle for The Edinburgh Astronomical Institution at Calton Hill Observatory after Simms proclaimed himself too busy to undertake the exercise! They were also known to have had links with Charles Darwin.
Sadly, John shot himself in 1857 after suffering from, “fits of despondency” and therefore predeceased his father who died the following year. The Royal Society wrote of John:
“Mr Adie’s enrolment among us is a sufficient proof that he successfully followed his calling. He was greatly esteemed as a man conversant with the highest branches of his profession, and who has left behind him in that respect scarcely and equal, certainly no superior, in Edinburgh, or perhaps in even in London itself”.
They went on the following year to say of his father Alexander:
His attention to business, with his skill as a mechanic, his quick inventive powers, and his sound judgement, led him to his being much employed by all kinds of inventors to give their schemes a practical form.”
Following the sad demise of both partners of the firm, Richard Adie continued to run both the Edinburgh firm and his own concern in Liverpool until his eventual death in 1881. Himself an accomplished instrument maker, Richard was awarded a silver medal by The Royal Scottish Society of Arts for his developments in meteorological instruments and published twenty seven papers on philosophical instruments between 1837 & 1868. He also exhibited a vacuum steam gauge, an alcohol hermetic barometer and a double telescope at the 1862 London
On the death of Richard, the company was sold to Thomas Wedderburn who had been the Adie family’s foreman at the firm and the name was changed to Adie & Wedderburn. He died in 1886 whereafter the business was again sold to an Alexander James Menzies who also died a year later and the firm was finally handled by an optician named Thomas Mein.
The firm of Patrick Adie, the youngest of the brothers continued to flourish in London. Set up in 1844 after serving apprenticeships with both his Father’s firm and the gas engineers, Milne & Son, he also specialised in the production of meteorological instruments. Through contacts made during his apprenticeship and training at Sir Thomas MacDougall Brisbane’s observatory near Kelso, Patrick had close links with John Welsh Superintendent of The Kew Observatory. An international conference had taken place in 1853 for the purpose of promoting meteorological observations at sea and numerous recommendations were adopted by the British Government. They encouraged the Kew Committee of the British Association to develop some of these ideas and both Welsh & Adie worked together to develop the now famous “Kew Pattern” barometer, a fitting development to his father’s earlier work.
Adie himself developed a number of instruments during his lifetime including the first coincidence rangefinder used in astronomy. He exhibited numerous patent instruments at the Great Exhibition, The Paris Exhibition of 1855 and at the London Exhibition of 1862 and gained medals for his meteorological instruments. Close links were also garnered with the civil engineering industry, and his instruments were used as part of the great trigonometrical survey of India and in the construction of railways at home and abroad.
Adie eventually died in 1886 from bronchitis and heart disease and upon his death, the Institution of Civil Engineers (of which he had been a member since 1865) wrote:
“That Mr. Adie possessed great inventive power is shown by the fact that he took out no less than twelve patents, many of which are well known, and have proved very successful. One of these patents he was engaged in perfecting at the time of his death. It consists in the employment of corrugated steel belting, in lieu of leather, which he believed would effect a large saving both in power and cost. In this opinion he was supported by some eminent Members of the Institution, to whom he was well known, and who frequently sought the advice which his great experience enabled him to give.”
His business continued until 1942 presumably under family ownership although the latter history of this London firm remains largely unclear. Adverts from this later period for cement making machines suggest a closer association with industry rather than retail. It is perhaps not surprising to learn that the publisher of the book which includes the Goodman’s extensometer description was himself a member of the Concrete Institute so it reflects that the Adie Company continued providing instruments for those at the cutting edge of industry even at this late stage in the company’s history.
A rare and extremely interesting piece of Late Victorian or early Edwardian engineering, circa 1901.
SellerJason Clarke Antiques
View all stock from
Jason Clarke Antiques
Private dealer
By appointment only
Newbury
Berkshire
Tel : 07815 046645
Non UK callers : +44 7815 046645
Extensometers are instruments for measuring the elastic strength of materials in tension or compression and this particular example is featured in the 1916 publication: “The Strength of Materials, A Text-Book for Engineers and Architects by Ewart S Andrews.
The following description can be read alongside the provided image of the book plate to provide full understanding of its use.
“This extensometer is of very simple form and was designed by Professor Goodman of Leeds. It consists of two forked clips, (AB) which carry pointed screws engaging in the centre punch marks in the specimen and are connected to rods (C) which join at their ends and carry a scale (D) on a projecting piece.
Two light rods (EF) form a fixed triangle, and the vertical rod (E) projects and has a small groove at its end which forms a bearing for a knife edge carried by the pointer (P). A second knife edge on the latter rests upon a second vertical rod (H) depending from the upper clip (A). A small screw is provided for bringing the pointer to zero at the beginning of a test. The strain of a specimen causes the rod (H) to move slightly relative to the rod (E), this movement being magnified 100 times by the pointer lever.
This and most other extensometers should be taken off the specimen as soon as the yield point is reached.”
This unusual instrument is constructed of solid brass, with bone engraved scale and wooden scale pointer all incorporated in its original box which maintains its trade label to “Patrick Adie, Optician, Mathematical & Scientific Instrument Maker. Broadway Works, Westminster. London”. It should also be noted that the original address of Broadway Works has been crossed out and replaced in red ink with the address of 45 Horseferry road.
This change is significant for dating in that the Patrick Adie Company moved from Broadway Works n and around 1901 so it is likely that this instrument was manufactured at Broadway and was late sold at Horseferry after the company’s relocation.
The history of the Adie dynasty began in 1776 with the celebrated Edinburgh scientific instrument maker John Miller, the uncle of Alexander Adie. Miller himself had been apprenticed under the world renowned maker George Adams so Alexander was privileged to have had an uncle from such a prestigious background.
From 1789, Adie (1774 – 1858) undertook his apprenticeship with Miller and by 1804, a partnership was agreed which traded at various addresses on Nicholson Street. Miller & Adie continued to trade until 1822 (although Miller had died by 1815) whereafter the business was renamed solely to Alexander Adie. By this point, Adie was himself an accomplished maker with a focus on meteorological instruments and had by 1818 taken out a patent (No: 4323) for a sympiesometer, a type of barometer designed initially for marine use which contained hydrogen and almond oil instead of mercury. Perhaps the most well-known instrument that the Adie family are now recognised for, this invention was patented as, “An improvement on the air barometer” an instrument that had been conceived as early as 1668 by Robert Hooke but never brought into practical use until Adie’s later developments.
By 1822, Adie had a family of three sons, John (1805-1857), Richard (1810-1881) and Patrick (1821-1886) and it is sensible to presume that all undertook some kind of apprenticeship under him. The eldest, John went into business with his Father to form Adie & Son in 1835 and Richard is also known to have worked for the firm. Like many scientific instrument making firms of the period, both Richard and Patrick were to go on to set up their own successful satellite firms under their own names both in Liverpool and London respectively.
In Edinburgh, the partnership between Alexander and John continued to grow, they received Royal Appointments from both William IV and Queen Victoria and were the only two instrument makers elected as Fellows of The Royal Society of Edinburgh. The links with the Society are considered to be the reason for their commission to build William Wallace’s patent Eidograph, an improvement to the less accurate pantograph. They had trading links with Spencer, Browning & Rust (they retailed Adie’s Sympiesometer) and John completed the installation of a Troughton & Simms altazimuth circle for The Edinburgh Astronomical Institution at Calton Hill Observatory after Simms proclaimed himself too busy to undertake the exercise! They were also known to have had links with Charles Darwin.
Sadly, John shot himself in 1857 after suffering from, “fits of despondency” and therefore predeceased his father who died the following year. The Royal Society wrote of John:
“Mr Adie’s enrolment among us is a sufficient proof that he successfully followed his calling. He was greatly esteemed as a man conversant with the highest branches of his profession, and who has left behind him in that respect scarcely and equal, certainly no superior, in Edinburgh, or perhaps in even in London itself”.
They went on the following year to say of his father Alexander:
His attention to business, with his skill as a mechanic, his quick inventive powers, and his sound judgement, led him to his being much employed by all kinds of inventors to give their schemes a practical form.”
Following the sad demise of both partners of the firm, Richard Adie continued to run both the Edinburgh firm and his own concern in Liverpool until his eventual death in 1881. Himself an accomplished instrument maker, Richard was awarded a silver medal by The Royal Scottish Society of Arts for his developments in meteorological instruments and published twenty seven papers on philosophical instruments between 1837 & 1868. He also exhibited a vacuum steam gauge, an alcohol hermetic barometer and a double telescope at the 1862 London
On the death of Richard, the company was sold to Thomas Wedderburn who had been the Adie family’s foreman at the firm and the name was changed to Adie & Wedderburn. He died in 1886 whereafter the business was again sold to an Alexander James Menzies who also died a year later and the firm was finally handled by an optician named Thomas Mein.
The firm of Patrick Adie, the youngest of the brothers continued to flourish in London. Set up in 1844 after serving apprenticeships with both his Father’s firm and the gas engineers, Milne & Son, he also specialised in the production of meteorological instruments. Through contacts made during his apprenticeship and training at Sir Thomas MacDougall Brisbane’s observatory near Kelso, Patrick had close links with John Welsh Superintendent of The Kew Observatory. An international conference had taken place in 1853 for the purpose of promoting meteorological observations at sea and numerous recommendations were adopted by the British Government. They encouraged the Kew Committee of the British Association to develop some of these ideas and both Welsh & Adie worked together to develop the now famous “Kew Pattern” barometer, a fitting development to his father’s earlier work.
Adie himself developed a number of instruments during his lifetime including the first coincidence rangefinder used in astronomy. He exhibited numerous patent instruments at the Great Exhibition, The Paris Exhibition of 1855 and at the London Exhibition of 1862 and gained medals for his meteorological instruments. Close links were also garnered with the civil engineering industry, and his instruments were used as part of the great trigonometrical survey of India and in the construction of railways at home and abroad.
Adie eventually died in 1886 from bronchitis and heart disease and upon his death, the Institution of Civil Engineers (of which he had been a member since 1865) wrote:
“That Mr. Adie possessed great inventive power is shown by the fact that he took out no less than twelve patents, many of which are well known, and have proved very successful. One of these patents he was engaged in perfecting at the time of his death. It consists in the employment of corrugated steel belting, in lieu of leather, which he believed would effect a large saving both in power and cost. In this opinion he was supported by some eminent Members of the Institution, to whom he was well known, and who frequently sought the advice which his great experience enabled him to give.”
His business continued until 1942 presumably under family ownership although the latter history of this London firm remains largely unclear. Adverts from this later period for cement making machines suggest a closer association with industry rather than retail. It is perhaps not surprising to learn that the publisher of the book which includes the Goodman’s extensometer description was himself a member of the Concrete Institute so it reflects that the Adie Company continued providing instruments for those at the cutting edge of industry even at this late stage in the company’s history.
A rare and extremely interesting piece of Late Victorian or early Edwardian engineering, circa 1901.
Price The price has been listed in British Pounds.
Conversion rates as of 18/NOV/2024. Euro & Dollar prices will vary and should only be used as a guide.
Always confirm final price with dealer. Sold
Category Scientific Antiques
Period Edwardian Antiques
Material Brass
Origin English
Maker Patrick Adie
Item code as542a401
Status Sold
£0 
$0.00 
€0.00 
$
€
Conversion rates as of 18/NOV/2024. Euro & Dollar prices will vary and should only be used as a guide.
Always confirm final price with dealer. Sold
View all stock from
Jason Clarke Antiques
Private dealerBy appointment only
Newbury
Berkshire
Tel : 07815 046645
Non UK callers : +44 7815 046645
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