Tirrill Bunsen Burner with Gas and Air Control, Natural Gas, Blue Glass Dishes & Jars_Glass Evaporating Basins with a reference psychrometric chart

with a reference psychrometric chart

One-inch brass ball that threads onto a pendulum string as a heavier metal counterpart to aluminum or steel balls in mass-dependent periodic-motion investigations

Blood spatter analysis kit teaches bloodstain pattern interpretation through trajectory calculations

003 mm accuracy at 10 mm for precise thickness and diameter measurement

Tirrill Bunsen Burner with Gas and Air Control, Natural Gas, Blue Glass Dishes & Jars_Glass Evaporating Basins with a reference psychrometric chartBlue Tirrill natural gas burner offers independent gas and air supply control for dialing in flame temperature and shape during chemistry heating.