Standard-Ground-Joint Stopcock, 24/29 Socket, 1000-2000mL, Borosilicate Glass Face Size_38mm 875 inch wooden storage box

875 inch wooden storage box for tactile spatial-reasoning drills and solid-geometry exploration

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

designed for conversion into ammeters or voltmeters of any range using external shunts and voltage multipliers

Aluminum 1-inch diameter pendulum bob at 0

Standard-Ground-Joint Stopcock, 24/29 Socket, 1000-2000mL, Borosilicate Glass Face Size_38mm 875 inch wooden storage boxBorosilicate 3. 3 glass stopcock features standard 24 29 ground joints for secure vessel connections and precise flow control in laboratory applications.