Title
Scale expansion unit
Identifier
ABDNP:200615b
Description
A scale expansion unit for the Grubb Parson Spectrophotometer. 3 dials, 2 ranging from 1 to 10 and the other from 1 to 5 in single divisions. 2 cables. In cardboard box with an assortment of screws, washers and cogs. On unit in white lettering "Grubb Parsons England, Ser. No. 22".
Date
1800
Format
height 60mm, length 120mm, width 95mm
metal, rubber, plastic
Coverage
England
Creator
Grubb Parsons