Microptic transit theodolite, 1954
1950-1954
'Sitesquare' optical square, British, 1959
1959
Pilot balloon theodolite
Microptic theodolite
1970
Theodolite with case
theodolite, numbered 122186
1970
Ewing Stadialtimeter
1955
Automatic building level, British, 1957
1957
Infrared spectrophotometer
1954
H1200 Infragraph infrared spectrophotometer
1970-1996
Stabilizer unit for autoset level
1959
Part of Microptic transit theodolite, 1954
1950-1954
Hilger and Watts photelectric autocollimator
parts
Densitometer, from E478 quartz spectrograph
Infrared spectrometer
1955
Tripod for Microptic Alidade, British, 1956-1959
1956-1959
Radical line plotter by Hilger & Watts
1950-1970
Case for Microptic transit theodolite, 1954
1950-1954
'Autoset' Surveying Level, 1957
1957
Case for 'Autoset' Surveying Level, 1957
1957
Accessories for E 478 quartz spectrograph
1950-1959
Galvanometer, from E478 quartz spectrograph
E478 quartz spectrograph
Part of Microptic alidade, British, 1956-1959
1956-1959
Case for Microptic alidade, British, 1956-1959
1956-1959
Accessories for Radical line plotter by Hilger & Watts
1950-1970
Watts helix current meter in box with accessories by Hilger & Watts Ltd
1948-1960
High visibility precision target by Hilger & Watts Ltd
1943-1948
Microphotometer model
1946-1948; 1952-1955
Grating Spectrograph for Raman Spectroscopy built by J.A.Creighton and L.A.Woodward
1961
Large quartz spectograph by Hilger & Watts Ltd
Helix current meter by Hilger & Watts Ltd
1960-1965
Theodolite tripod
1954-1964
Theodolite, cased, No.117682
1959
Photoelectric autocollimator in case with separate measuring meter and sine wave generator
'Autoset' Surveying Level, prototype, with case, 1957
1957
Microptic alidade, British, 1956-1959
1956-1959
Hilger-Watts spectrometer plus power pack
Infrared spectrometer
1955
E 478 quartz spectrograph with accessories used in the analysis of coal ash samples
1950
Uvispek photoelectric spectrophotometer
1958
Photomultiplier housing type 1529C
1960-1975
Hilger H700 flame photometer
Interferometer for the testing and correction of prisms
1950-1959
C40 spectrometer
Spekker photo-electric absorptiometer
1952
Judd-Lewis Comparator Model L46
Two brackets and eyepieces
1960