US$ 30.00
Pair of 12 by 3
3 glass holds 50mL with beaded rim for durable chemistry and laboratory procedures
and ray-tracing demos
a 75mm-aperture double-concave glass lens at 100mm focal length spreads light through optically worked surfaces and ground polished edges
dropping freely through the ring when cool but stopped by the ring once flame heating expands the ball
Bend Receiver Adapter with Vent, 14/23 Socket and 14/23 Cone, Borosilicate Glass Base Shape_Rectangular Pair of 12 by 3Bend receiver adapter with vent in borosilicate glass features 14 23 socket for distillation collection with pressure equalization.
US$ 30.00
US$ 15.00
US$ 15.00
US$ 80.00
US$ 900.00
US$ 40.00