JW Sniffer (R), combustible gas indicator in green
JW Sniffer (R), combustible gas indicator in green and grey plastic bodied case, complete with brown rubber aspirator bulb.single linear meter with arbitary unit 2-10, dangerous and 10-12, explosive. Instructions on the side of the instrument body. Serial no,646443. Made by Johnson & Williams Inc. Palo Alto, California, USA. US patent no. 2786350. Supplied by Newmark Instruments Ltd, Gt Portland Street, London. Date 1960-1970.
- Gas Industry
- Object Number:
- gas detector
- British Gas Museum And Heritage Centre, Tingley, Leeds
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