US$ 223.50
supporting reproductive cell biology teaching
Four-cylinder equal-mass set at 100g each in copper
and triple-parallel plastic wheels at 50mm diameter in low-friction ball-bearing steel frames
Molded in one piece with sleeve-bearing wheels
leaving inertia to drop the ball straight into the waiting receptacle below
LPG Bunsen Burner with Cast Iron StabiliBase and Flame Stabilizer archive-pending supporting reproductive cell biology teachingFlame stabilizer on this LPG Bunsen burner maintains a steady cone across drafts, while the cast iron anti tip base keeps the unit upright on classroom benches.
US$ 223.50
US$ 197.00
US$ 59.99
US$ 390.00
US$ 314.40
US$ 417.00