Straight Receiver Adapter, 19/26 Socket, Borosilicate Glass Geology_Globes supplying replacements when the originals

supplying replacements when the originals lose loft or split during repeated charging cycles

Mounted thermistor on a demonstration base with 4mm plug connections

supporting variable audio modulation 1Hz-1kHz plus a 250kHz square wave for speed-of-light measurement work

including a detailed lesson plan for geomorphology exercises

Aluminum S-shape test tube stand designed for chemistry and biology benches

Straight Receiver Adapter, 19/26 Socket, Borosilicate Glass Geology_Globes supplying replacements when the originalsStraight receiver adapter in borosilicate glass features 19 26 socket for distillation collection and chemistry apparatus connections.