


Glass cylinder, 25ml, with polythene stopper and N.P.L. certificate

Glass cylinder, 100ml, with polythene stopper and N.P.L. certificate

Glass cylinder, 100ml, with polythene stopper and N.P.L. certificate

500ml flask with stopper and N.P.L. certificate

Glass cylinder, 1000ml, with polythene stopper and N.P.L. certificate
Elliott Differential Mercury Thermometer, 1948-1954
1948-1954