[Metallic Barometers, Bourdon]

Object Name

Object Type

Category

Photographs

Date

c. 1851

Medium

salted paper print

Credit Line

Anonymous Gift, 2007

Object Number

2007/1940.2.37

Location

Not currently on display

Image: 14.4 × 19.9 cm (5 11/16 × 7 13/16 in.)
Mount: 25 × 35 cm (9 13/16 × 13 3/4 in.)

Volume II; Class X “Philosophical Instruments and Processes depending upon their Use”; Facing page 659

Inscription

Engraved on mount, recto, centred below photograph: METALLIC BAROMETERS.; engraved on mount, recto, below photograph, right margin: BOURDON.