Hatchwell Antiques has dated this Victorian Brass Drafting Pantograph to the 1850s.
EDINBURGH.

The interior also has a handwritten note inside the lid with the "Rule for setting Dunn's improved pantograph", dated "27 February 1845. see the photograph of note for the equations needed to be used for the settings.

The first pantograph was constructed in 1603 by Christoph Scheiner, who used the device to copy and scale diagrams, but he wrote about the invention over 27 years later, in "Pantographice" (Rome 1631).
Dimensions of case:
Height: 14.5 cm | 5.75 in
Width: 90 cm | 35.5 in
Depth: 24 cm | 9.5 in
Hatchwell Antiques has dated this Victorian Brass Drafting Pantograph to the 1850s.
Furniture & lighting alongside clocks, scientific & optical instruments.
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Hatchwell Antiques is a registered member of LAPADA BADA CINOA