


Spurge Photometer

Everett Edgcumbe auto photometer

Photometer, marked: ‘39 G’

Joly's photometer by Griffin and George Ltd.
1954-1983

Flame photometer

Ritchie's photometer
1827-1856

Beads for Wheatstone's photometer

Everett Edgecumbe photometer, no. 356504

Photometer model S511 by Weston

Flicker photometer mounted on short metal rod
1900-1980

One Lummer-Brodhun photometer head

Decoudun photometer
1800-1950

Lowe jet photometer, c.1860.

Lummer Brodhun photometer head

Lummer-Brodhun photometer

Portable photometer

Wild flicker photometer

Lummer Brodhun photometer
1900-1980

Spectro-photometer
1900-1980

Holophane-Edgecombe street lighting photometer in purpose built oak box
circa 1950

Holophane-Edgcumbe Auto-photometer in box

Photometer, marked: ’34 G’
Heyde's Aktino-Photometer
McMurty Photometer. Extinction type meter
1914-1924
Wheatstone type photometer
1872
Photometer made by Schmidt and Haensch
Illumination photometer, N.P.L. 1928 design
Recording comparato-microphotometer Model L900 by Rank Precision Industries Ltd.
comparison photometer
Technicolour Reflection Photometer
Watt photometer by Everett and Edgecumbe
Two photometers
Apparatus for measuring the brightness of the night sky
1900-1939
Flame photometer. No.866150
1900-1980
Conroy photometer in black box
1920-1946
Abney type colour photometer with rotating sector apparatus by Adam Hilger
1888
Letheby's Photometer
Walsh Distribution Photometer
Knobel's Astronometer
1890-1900
EEL flame photometer
Woodbury Photometer
Oldham portable photometer
Flame photometer (trade name E.E.L.)
Bunsen photometer
Portable illumination photometer diaphragm type
Autoanalyser Flame Photometer Mk III
Microphotometer by Hilger and Watts London, c.1960
"Grey-Wedge Photometer"
1955