US$ 35.00
and 2 quadruple pulleys on a heavy composite base with capstan
Low-level peroxide test strips in a 50-strip vial calibrated at 0
hand-cranked so students trace how shifter engagement alters gear ratios and output torque selection
Hand-painted female pelvis model exposes ilium
2-Speed Ticker Timer Kit Racks & Stands_Flask Stands and 2 quadruple pulleys onTwo speed ticker timer kit printing 25 or 40 dots per second on paper tape via carbon discs, shipped with 100 discs and a tape roll in a clamping plate ready case.
US$ 35.00
US$ 35.00
US$ 45.00
US$ 60.00
US$ 54.00
US$ 14.00