US$ 74.70
and gamete formation for reproductive biology teaching
Reel of 20 SWG bare constantan wire at 125g and 0
sized for whole-class visibility of momentum-and-energy conservation through pendulum collisions
Compact 150mm black 2mm-stackable lead with nickel-plated split-hollow pins
100-1000Ω Single Dial Resistance Box Pack Size_12 and gamete formation for reproductiveMid range single decade resistance box stepping from 100 ohms to 1000 ohms in 100 ohm increments, the standard reference decade for precision Wheatstone bridge and instrument calibration work.
US$ 74.70
US$ 50.00
US$ 180.00