Multiple Connection Receiver Adapter, 19/26 Socket and 19/26 Cone, Borosilicate Glass Material_Glass Ten-pack of 5mm yellow LEDs

Ten-pack of 5mm yellow LEDs with diffused round lenses

used to trace field lines around bar magnets and current-carrying wires

Plano-cylindrical lens at 50 by 50mm with 17 diopter optical power and ground polished edges

5V replacement element so wet-cell demonstrations stay running once the original electrolyte loses charge capacity

Polished aluminum calorimeter at 75 by 50mm with a wood or plastic lid

Multiple Connection Receiver Adapter, 19/26 Socket and 19/26 Cone, Borosilicate Glass Material_Glass Ten-pack of 5mm yellow LEDsMultiple connection receiver adapter in borosilicate glass features 19 26 socket for connecting multiple apparatus components in chemistry setups.