Barometer printing plate, inscribed " I.Watt Glasgow"

Made:
1756-1757
maker:
James Watt
1 Brass barometer printing plate,  "I. Watt Glasgow" . Front view of the plate and paper envelope. Black graduated 1 Brass barometer printing plate,  "I. Watt Glasgow" . Top view. Slate background 1 Brass barometer printing plate,  "I. Watt Glasgow" . Digital manipulated image showing the original plate and a 1 Brass barometer printing plate,  "I. Watt Glasgow" . Top flat view. Black graduated background.

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Buy this image as a print 

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License this image for commercial use at Science and Society Picture Library

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Buy this image as a print 

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License this image for commercial use at Science and Society Picture Library

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Buy this image as a print 

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License this image for commercial use at Science and Society Picture Library

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Buy this image as a print 

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License this image for commercial use at Science and Society Picture Library

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1 Brass barometer printing plate, "I. Watt Glasgow" . Front view of the plate and paper envelope. Black graduated
Science Museum Group Collection
© The Board of Trustees of the Science Museum

1 Brass barometer printing plate, "I. Watt Glasgow" . Top view. Slate background
Science Museum Group Collection
© The Board of Trustees of the Science Museum

1 Brass barometer printing plate, "I. Watt Glasgow" . Digital manipulated image showing the original plate and a
Science Museum Group Collection
© The Board of Trustees of the Science Museum

1 Brass barometer printing plate, "I. Watt Glasgow" . Top flat view. Black graduated background.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum, London

Barometer printing plate, brass, inscribed 'I. Watt Glasgow'

This plate, preserved in Watt’s workshop and wrapped in brown paper, was made by him and used to print paper scales to go behind the glass tube and mercury column on his barometers. Watt mass-produced these barometers for sale, and this process was quicker and cheaper than engraving each barometer plate individually, as would be done with more expensive instruments.

Details

Category:
James Watt's Garret Workshop
Object Number:
1924-792/677
type:
printing plate
credit:
Major J.M. Gibson-Watt