Collection

Search our collection

Clear all filters
Image
Category
Maker
Object type
Place
Material
Date

Abbe Refractometer, about 1956

1956
Optical lever type workshop comparator measuring machine, with extra daylight projector giving a 1000 : 1 magnification at the scale.

Optical lever type workshop comparator measuring machine

circa 1920
Prestwich fluid gauge comparator, c1917.

Prestwich fluid gauge comparator, c1917.

1916-1919
Sigma Instruments thickness gauge, 1951 stored in a box and fitted with a inspection fitting for measuring screw thread acceptibility. Purchased from Plessey Records in 1951.

Sigma Instruments thickness gauge

1951
Tomlinson surface finish analyser, made by Baty & Co.1951.

Tomlinson surface finish analyser

1939-1951