Multiple Connection Receiver Adapter, 19/26 Socket and 19/26 Cone, Borosilicate Glass Material_Glass Plano-cylindrical lens at 50 by

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

the slow-conducting comparator that highlights how much faster copper and aluminum transfer heat through identical geometry

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

and tin specimens in a snap-top case for comparative mass-volume calculations

Fitted with independent air and gas adjustments plus a brass flame stabilizer tip

Multiple Connection Receiver Adapter, 19/26 Socket and 19/26 Cone, Borosilicate Glass Material_Glass Plano-cylindrical lens at 50 byMultiple connection receiver adapter in borosilicate glass features 19 26 socket for connecting multiple apparatus components in chemistry setups.