Bend Receiver Adapter with Vent, 14/23 Socket and 14/23 Cone, Borosilicate Glass Base Shape_Rectangular a 75mm-aperture double-concave glass lens

a 75mm-aperture double-concave glass lens at 100mm focal length spreads light through optically worked surfaces and ground polished edges

teaching electromagnetism

3 glass holds 50mL with beaded rim for durable chemistry and laboratory procedures

Pair of 12 by 3

LED-indicating 2-input OR gate module showing HI and LO states with red and green LEDs and a printed truth table on the board

Bend Receiver Adapter with Vent, 14/23 Socket and 14/23 Cone, Borosilicate Glass Base Shape_Rectangular a 75mm-aperture double-concave glass lensBend receiver adapter with vent in borosilicate glass features 14 23 socket for distillation collection with pressure equalization.