Universal Battery Charger Heat & Thermodynamics_Temperature & Heat Zinc alloy natural gas Bunsen

Zinc alloy natural gas Bunsen burner with flame stabilizer ships with a 2-foot neoprene gas hose for quick bench hookup in chemistry classrooms

Converts chemical energy to electrical through a zinc-copper-sulfate redox couple

and a 1-degree protractor

Three adjustable strings

Hand-cranked pulley steps up to a smaller dynamo pulley through a rubber belt

Universal Battery Charger Heat & Thermodynamics_Temperature & Heat Zinc alloy natural gas BunsenDesigned to recharge the cells used in laboratory apparatus, this universal charger keeps portable instruments running between sessions without rotating in fresh disposable batteries.