Multiple Connection Receiver Adapter, 14/23 Socket and 14/23 Cone, Borosilicate Glass Geology Specimen Collections_Rock & Mineral Collections Platinum flame-test wire fused into

Platinum flame-test wire fused into a 5-inch borosilicate glass handle

and iron rods for precise expansion measurement

Used to read the microampere-scale currents found in photodiode and transistor-bias circuits

Chrome-plated 100mm alternate-model reading magnifier with a 15cm focal length

chloroplasts

Multiple Connection Receiver Adapter, 14/23 Socket and 14/23 Cone, Borosilicate Glass Geology Specimen Collections_Rock & Mineral Collections Platinum flame-test wire fused intoMultiple connection receiver adapter in borosilicate glass features 14 23 socket for connecting multiple apparatus components in chemistry setups.