Spekker photo-electric absorptiometer made by Adam Hilger Ltd.
- Materials:
- steel (metal) , paint , nickel plated , electrical components and plastic (unidentified)
- Object Number:
- 1980-240/1
Spekker photo-electric absorptiometer c.1940, made by Adam Hilger Ltd. with set of light filters and set off glass cells and with galvanometer. Made by Cambridge Instrument Co. (See note)