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عرض 136–150 من أصل 2205 نتائج
- Chemistry
Conductivity Meter
To quantitatively measure the conductivity of solutions. This conductivity meter uses a green and a red light emitting diode (LED) to indicate relative conductivity. The light varies with the conductivity. requires 9 volt battery (not supplied).With instruction manual.
SKU: CH10937 - Physics
Constant Motion Machine
The constant motion machine moves with a uniform speed in a straight line. The machine has a hook attached to its rear end and can pull dynamics carts to demonstrate the concept of vectors and velocity. Requires two AA batteries, not supplied with apparatus.
SKU: PH10536 - Physics, Uncategorized
Constant Pressure Air Thermometer
Jollys thermometer bulb connected via a 3-way stopcock to mercury tube. Sliding indicator on right hand limb, with reservoir sliding on vertical clamping rod. Metal vessel to surround the bulb. Mounted on wooden stand, height 740 mm. All glass parts except reservoir are made of borosilicate glass.
SKU: PH20105 - Physics, Uncategorized
Constant Volume Air Thermometer
A metal stand fitted with 0-100 cm x 1 mm vertical wooden scale and supporting a mercury reservoir sliding on a metal rod. An air thermometer bulb fitted to a bracket can be attached to the other rod at either of two positions. With U-shaped base. Complete with 1 meter rubber tubing to connect reservoir to the bulb. Supplied without mercury.
SKU: PH20102 - Physics, Uncategorized
Continuous Flow Calorimeter, Callendar & Barnes
For electric equivalent of heat of liquids. A glass tube, 360 mm long, containing manganin spiral heating element with screw terminal at each end, is connected to inlet and outlet cylindrical vessels, each having a tubule for thermometer. The inlet system has a long vertical vent tube to allow air bubbles in the incoming water to escape. Mounted on wooden base, but without constant level tank or thermometer.
SKU: PH20195
