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Pack of 10 ball bearings. Each ball measures 10mm in diameter. Made of high quality steel. Built to last.Great for a wide variety of physics experi...

Pack of 10 ball bearings. Each ball measures 13mm in diameter. Made of high quality steel. Built to last.Great for a wide variety of physics experi...

Pack of 10 ball bearings. Each ball measures 16mm in diameter. Made of high quality steel. Built to last.Great for a wide variety of physics experi...

Pack of 10 ball bearings. Each ball measures 19mm in diameter. Made of high quality steel. Built to last.Great for a wide variety of physics experi...

3MM || Pack of 50 ball bearings - Each ball measures 3mm in diameter DURABLE & STURDY || Made of high quality steel - Built to last MULTI-USE ...

Pack of 50 ball bearings. Each ball measures 6mm in diameter. Made of high quality steel. Built to last.Great for a wide variety of physics experim...

25MM || Pack of 5 ball bearings - Each ball measures 25mm in diameter DURABLE & STURDY || Made of high quality steel - Built to last MULTI-USE...

Dial 100mm in diameter, dial scale 960 to 1060mb (28-31 in x 0.10 in) figured in black, good quality movement mounted in a polished plastic frame.W...

Simple to use & Easy to read. A glass tube mounted on polished wooden board. Fitted with -10 to 50 deg. C thermometer. A superior standard For...

Borosilicate glass, straight tube 90 cm long Borosilicate glass, straight tube 90 cm long and with 3 - 4 mm bore and one end open.

Barometer Tube made from high quality neutral glass. Straight with one open end and one rounded closed end. Measures 35" long. Outer diameter of 7...

This product has been discontinued and is no longer available Neutral glass tube 90 cm long and with bulb. Neutral glass tube 90 cm long and with...

35 INCH || Long barometer tube with bulb on shorter limb measures 35 inches TO MEASURE AIR PRESSURE || Used to measure air pressure in any environ...

A new improved Acrylic Bell Jar of size 25 x 14 cm compatible with the pump plate. The bottom flange is ground flat to ensure a perfect seal. Elect...

Fine coiled wire connections to terminals mounted in rubber bung sealing the Glass jar. A 15cm. Dia. electric bell also suspended on rubber cord in...

Fine coiled wire connections to terminals mounted in rubber bung sealing the Glass jar. A 15cm. Dia. electric bell also suspended on rubber cord in...

Without air or matter, sound waves cannot travel and therefore cannot be heard. This bell jar effectively demonstrates this concept using a battery...

Glass tubing to demonstrate the Bernoulli effect produced by water-flow. To demonstrate the Bernoulli effect produced by water-flow. Comprises a ...

Blue Handheld Vacuum Pump with gauge and 19.5" tube. Displaces 725 ml of air Pump rate of 15 ml This pump features a gauge in inches, Hg Rubber O ...

Circular gauge of dia. 100mm and depth 40mm with a dial reads 0-2.5kg/cm2. A circular gauge having overall dia. of 100 mm and a depth of 40 mm The...

For the measurement of actual (total gaseous) pressure. Circular gauge, overall diameter 110mm, depth 50mm. The gauge is dual 5 calibrated as 0-3.5...

Mounted on durable metal base Total height 8.3" Manometer dual scale is from 0-4 x 105Pa and 0-58 PSI with needle set at atmospheric pressure Requ...

Mounted on wooden stand with heavy metal base and leveling screws.Mounted on wooden stand with heavy metal base and leveling screws. Height 120 cm ...

Mounted on ABS plastic base of size 250x175mm. A pressure gauge is connected to the connectiontube of 50 ml gas syringe.Demonstrates the relationsh...