Knife Switch Demonstrator with 4mm Terminals Science at Home_General Science Supplies Built for measuring photosynthetic gas

Built for measuring photosynthetic gas exchange

Used to reconfigure the demonstration meter as a different ammeter or voltmeter

and a selection of wound coils

Stabilizer-free Bunsen burner runs on liquid propane or butane for routine chemistry heating at the laboratory bench

Combines detailed cranial anatomy with a removable life-size brain

Knife Switch Demonstrator with 4mm Terminals Science at Home_General Science Supplies Built for measuring photosynthetic gasSingle pole double throw knife switch mounted on a 4mm terminal base, letting students reroute a modular circuit between two branches without touching unmounted components.