US$ 29.95
Parallelogram-of-forces apparatus on a 26 by 20 inch wall-mountable board with two clamp-on pulleys
Draining pins paired with a turned-post hardwood frame give this six-place test tube support inverted drying plus upright storage for tubes up to 19 mm across
the largest value in the demonstrator line for slow RC charging and high-energy capacitor-discharge work
Higher-concentration 37
showing how different wheel diameters change mechanical advantage
Reagent Grade Lithium Chloride, 500g Activity Kits_Blood Typing Parallelogram-of-forces apparatus on a 26Used in organic synthesis as a Lewis acid and in molecular biology to precipitate RNA, this 500g bottle of reagent grade lithium chloride serves both chemistry and biology student work.
US$ 29.95
US$ 35750.00
US$ 32.50
US$ 24.95
US$ 191100.00
US$ 176.12
US$ 11.95