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HYGROMETER WET AND DRY – GUPTA BRAND 10007013D
Two thermometers mounted on scales -10 to 60°C & -20 to 140°F, with water container for one thermometer. Complete with relative humidity table
HYPSOMETER REGNAULT – GUPTA BRAND 8006067
For the determination of the upper fixed points of thermometers and boiling points at barometric pressures other than atmospheric. Double walled copper cylinder 34 x 6 cm height x outer dia mounted on steam boiler. Fitted with thermometer tubulure at the top, side outlet draining tube and glass manometer mounted in tubulure with rubber bungs