Permanent fused scale, with constriction in bore to prevent mercury from going back, in case
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THERMOPILE GUPTA BRAND 8006079
It consists of 12 pairs of Bismuth and Antimony bars joined together in series with insulation between them. The couples thus arranged are enclosed in a brass frame having two terminals connected to the Bismuth and Antimony poles. Complete with nickel-plated brass cone and mounted on an adjustable stand.
Third Generation Computer : Post 1960 ( DCH 04 )
THODAYS POTOMETER – GUPTA BRAND 9008029
Consisting of glass tubing 15mm external diameter with sidearm leading to a thistle funnel and tapered at each end, one end to accept the plant stem, the other to meet capillary tubing mounted against a 250mm graduated rule. Apparatus is mounted by Terry clips on to a strong L-shaped stand with rubber feet. Dimensions 305 x 150 x 175mm length x width x height. Capillary bore 1mm.