Collection

Search our collection

Clear all filters
Image
Category
Collection
Maker
On Display
Object type
Place
Material
Date

Micrometer type mechanical comparator

1855

Experimental measuring machine designed by E.M. Eden

1918

Christa Comparator

1960-1970

Comparator instrument stand made by King of Hayes

1939-1946

Comparator made by Klett Manufacturing Co. of New York

Comparator by F Heilige

Comparator by J W Lovibond Ltd

Marconi Baud-speed comparator

Comparator instrument stand made by King of Hayes

1939-1946
Horizontal optical comparator made by Troughton and Simms: 1940-1945

Horizontal optical comparator

1940-1945
Comparator, from the portable laboratory owned by Dr. H.G Butterfield, by Hawksley, London, England, 1930-1940

Comparator, from the portable laboratory owned by Dr. H.G Butterfield

1930-1940
Prestwich micrometer fluid comparator 1945 to 1955.

Prestwich micrometer fluid comparator

1945-1955
Prestwich fluid gauge comparator, c1917.

Prestwich fluid gauge comparator, c1917.

1916-1919
Shotter Hawkes DC/AC comparator no.A68606, British patent no.528722, made by Elliott Bros. (London) Ltd., London SE13

Shotter Hawkes DC/AC comparator no.A68606

1960
Judd-Lewis Comparator Model L46 by Hilger and Watts

Judd-Lewis Comparator Model L46

Lovibond 1000 Comparator with p.nitro-phenol ring

Lovibond 1000 Comparator with p.nitro-phenol ring

1900-1980
Lovibond comparator, incomplete

Lovibond comparator, incomplete

Lovibond Comparator with disc for residual chlorine in water and 4 spare tubes and booklet of instruction. In leather case. Together with 2 discs, phenol red, for pH 7.0 - 8.9 and many spare tubes

Lovibond Comparator with Disc for Residual Chlorine in Water