Florence Flat Bottom Borosilicate Glass Boiling Flask Joint Size:34/35 and step measurements with a

and step measurements with a zero-calibration reset

supplying spares so dynamo and induction demonstrations continue without delay when an original bulb burns out

Straight receiver adapter with cone in borosilicate glass features 29/32 socket and 29/32 cone for distillation collection and apparatus connections

Nickel anode-and-cathode pair fitted in a rubber bung for the student electrolyzer

and mmHg for meteorology and earth-science classroom investigations

Florence Flat Bottom Borosilicate Glass Boiling Flask Joint Size:34/35 and step measurements with aBorosilicate glass Florence flask with a short neck and ground glass joint, rests flat on the bench during solution preparation and gentle heating.