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عرض 436–450 من أصل 2205 نتائج
- Chemistry
The Density-Slope Set
The colorful set consists of 48 specimens of twelve different types of material. The specimens are packaged in an acrylic tube as 12 sets of four. Set includes samples of Maple wood, Polypropylene, Nylon, Acrylic, Polyurethane, Phenolic, PVC, Copper, Brass, Teflon, Polyethylene and Aluminum. Students measure the mass and volume of different specimens and graph their masses as a function of volume. The graph produces a line for each substance, whose slope equals the density of the substance. Students learn that the density of a substance is constant even as its mass and volume change. With instructions
SKU: PH10061 - Physics, Uncategorized
Ticker Tape Timer
To provide dots on tape at 1/50 or 1/60 second intervals, equal to the frequency of the mains supply. Operates on 12 V a.c. It has an electromagnet and a spring loaded armature which vibrates above a support table. Paper tape, drawn through guides on the table is struck by a dotting screw, carried on the armature. A peg on the table is provided to allow full use of carbon paper disc. Fitted on base.
SKU: PH10545 - Physics, Uncategorized
Timer For G By Free Fall
For Use with the G by Free Fall apparatus (PH10556).
The IC based Timer supports functionality like
Start, Reset and memory for last 3 readings.
Specifications :
Input Voltage : 220V, 50 Hz
Time Resolution : Auto 0.001 to 999.9 sec
Display : 4 FND (LED)SKU: PH10556-1 - Physics, Uncategorized
Torsion Of Metal Rods Apparatus, Searle's
Horizontal pattern, two heavy metal brackets are held together with connected rods. A heavy metal pulley, moving in ball bearings, is mounted on one bracket & is fitted with a three jaw chuck to hold one end of the test rod, the other end being held in another chuck fixed to the other bracket. Two graduated scales are mounted on the connecting rod & two pointers can be clamped in any desired position on the test rod, with one brass & one steel test rod but without masses.
SKU: PH10613T - Uncategorized
Tube Sedimentator
Simply shake the self-contained, heavy-duty transparent plastic tube and watch as the dust settles! Because it is filled with pebbles, sand, silt and water, the particles gradually settle in layers, thus demonstrating sediment deposition in rivers, streams and lakes. Includes manual.
SKU: B19140 - Physics, Uncategorized
Turbojet Engine
Constructed by light but strong metal, fixed on a wooden base. All majour parts like intake, double stage compressor, fuel supply, axial flow, combustion chamber, turbine rotar, exhaust and jet thrust etc. are shown in the model. Crossectional view with key card is printed on the base.
SKU: PH20494 - Physics
unit lamps
terminals on these lamp boards let you connect lamps in series or parallel. Lamp board features removable shunt wires that allow for quick changing from parallel to series or any combinations of the two. All units have plastic bases with rubber feet. Small incandescent bulbs included.
SKU: PH90778
