Wave & Sound
Sonometer, Two Wire
1200 x 115 x 60 mm hollow box with two fixed bridges with a one meter scale in between, and with a pulley and wrest pin for wires, complete with a long movable bridge, wrest pin length, without masses.
PH36108
Availability:
In Stock
In Stock
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Wave & Sound
Hand Vacuum Pump
The vacuum pump is made of durable plastic. It can easily provide a vacuum of 500mmHg by pumping its handle, the pumping rate of which is about 15ml per pumping. The pump itself is sealed and self lubricated. By changing its working mode, the pump can be used to establish air pressure as high as approx. 2 atm. It is a must for middle and primary school laboratories.
PH36018B -
