Title
refractometer manual
Identifier
ABDNP:201355b
Description
Plastic wallet containing manufacturer's manual for ABDNP201355a, dispersion tables for refractometer and manufacturer's note about desirability of ordering a spare prism assembly. Instruction manual cover page detached. Manual dated 1948 with insert correction page dated 1956. Faded ink inscription "Not to be removed from ? Year Laboratory" - ? Is invisible but may be "Honours". Also Hilger tables giving refractive indices of sugar solutions of varying concentrations at different temperatures.
Date
1948-1960
Format
310 mm by 220 mm by 10 mm
Coverage
98 St Pancras Way, London NW1
Creator
Hilger & Watts