Vertical Pear-Shape Splash Head, 19/26 Socket and 24/29 Cone, Borosilicate Glass Item Type_Shaker the universal gate from which

the universal gate from which any other Boolean function can be built in digital-electronics work

Thirty-atom organic chemistry model set with 24 short and long bonds

Pairs 50mm of aperture with a 150mm focal length on a double-concave glass lens at ~5

Economy wooden-ring conductivity apparatus with copper

Cast-metal base mounts a heavy-duty electromagnet-driven fork at ~80Hz

Vertical Pear-Shape Splash Head, 19/26 Socket and 24/29 Cone, Borosilicate Glass Item Type_Shaker the universal gate from whichVertical pear shape splash head in borosilicate glass features 19 26 socket and cone for preventing splashing during vacuum distillation procedures.