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عرض 181–195 من أصل 2205 نتائج
- Physics
Energy Transformation Balls
Demonstrates conversion of kinetic energy into heat and sound energy during a collision. Consists of a pair of heavy steel balls. When the balls strike against each other with a piece of paper between the balls, the heat causes a hole to appear in the paper. The kinetic energy of the balls upon collision is converted to heat which is sufficient to burn a hole in the paper. With instructions.
SKU: PH10416 - Physics, Uncategorized
Expansion Apparatus
Two cast metal uprights, height 18 cm, fitted with two nickel plated rods supporting expansion bar of length 38 cm. Expansion bar is fixed to one upright and moves a pointer on the other, when heated. With scale reading 0 to 90°, supplied with one each, aluminium, brass and iron expansion bars.
SKU: PH20045 - Chemistry
Filter Papers, Grade 3
Grade 3: 5 μm,Grade 3 filter paper is almost double the thickness of Grade 1 with still finer particle retention and excellent loading capacity; more precipitate can be held without clogging. The extra thickness gives increased wet strength and makes this grade highly suitable for use in Buchner funnels. The high absorbency is particularly valuable when the paper is used as a sample carrier.
SKU: n/a
