US$ 12.92
Closing to 3m and extending to 9m
hand-cranked so students trace how shifter engagement alters gear ratios and output torque selection
and 2 quadruple pulleys on a heavy composite base with capstan
exposing the full urinary tract for combined anatomy and physiology teaching at 15 by 9 inches
and control strips for a fuller genetic-taste-perception activity
2-Speed Ticker Timer Kit Racks & Stands_Flask Stands Closing to 3m and extendingTwo 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$ 12.92
US$ 18.00
US$ 103.44
US$ 12.92