Standard-Ground-Joint Stopcock, 24/29 Socket, 1000-2000mL, Borosilicate Glass Face Size_38mm Hand-cranked 12V DC generator in

Hand-cranked 12V DC generator in a clear plastic case with a front-mounted lamp and binding posts

Unequal-wheel pulley with a 2-inch and a 1

and Steinheim — hand-painted for evolutionary anatomy instruction

sized to reconfigure the demonstration meter as a 0-1A ammeter for full-class viewing of student-built circuit currents

copper's high conductivity minimizing heat loss during mixing in thermodynamics work

Standard-Ground-Joint Stopcock, 24/29 Socket, 1000-2000mL, Borosilicate Glass Face Size_38mm Hand-cranked 12V DC generator inBorosilicate 3. 3 glass stopcock features standard 24 29 ground joints for secure vessel connections and precise flow control in laboratory applications.