Wheatstone type photometer

Made:: 1872 in London

maker:: William Ladd

Wheatstone type photometer, in brass box, six cork discs with silvered beads to give various curves, by William Ladd, London, England, 1870-1872

Details

Category:: Optics

Object Number:: 1872-38

type:: photometer

credit:: Ladd, W.

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Parts

Wheatstone type photometer, in brass box, six cork discs with silvered beads, 1870

Materials:: metal (unknown) , copper (alloy) , brass (copper, zinc alloy) , steel (metal) , coated metal , glass , cork , bitumen and ivory

Object Number:: 1872-38 Pt1

type:: photometer

Box of accessories for Wheatstone photometer

Object Number:: 1872-38 Pt2

type:: accessories

Wheatstone type photometer

Details

Parts

Wheatstone type photometer, in brass box, six cork discs with silvered beads, 1870

Box of accessories for Wheatstone photometer

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