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عرض 1576–1590 من أصل 2204 نتائج
OverHead Projector Model SP-4
With projection lens of f-300 mm providing projection distance 1-4 meters. Twin 24 V, 250 W halogen lamps with a shifter assembly to change from one to the other. High -low intensity switch is provided for lamp intensity. Power is automatically cut off when top cover is opened. Folding (detachable parts) with handle to carry around. Dimensions 340 x 310 x 250 mm.. Complete with cellphone role attachment, writing pack, vinyl cover etc.
SKU: B17109Parallel Plate Capacitor
For investigating the relationship between the electrical quantities charge, voltage and capacitance, as well as for measuring the absolute permittivity and dielectric constant of various materials. Equipped with a fine control mechanism for precise adjustment of the distance between the plates.
SKU: PH45185Parallelogram Of Force Apparatus
This product is similar to the wall type but is intended for use in laboratories where wall space is limited. A thick plywood pieces of thickness 12 mm having dimension 45 x 30 cm on a substantial wooden stand supplied with 2 sets of Z-pulleys and 3 sets of (50 g x 5) slotted weights, 5 No. Drawing sheets, one packet of drawing pin & two numbers of mirror strip, but without cord.
SKU: PH10227SParamecium 2 Parts
Enlarged approx.1600 times, shows the cell inventory of protozoa : macro and micronucleus, contractile vacuoles, cytostome with membranellae, myonemes and food vacuoles, formation of the endoplasm and actoplasm & the network of neuronemes. A detailed block shows the structure of the pellicle of the ectoplasm, and the position and order of the trichocysts and a range of cilia in typical order. Separates into 2 parts, on stand and base, with key card.
SKU: B12616Pascal’s Law Apparatus
This apparatus is used to demonstrate Pascal’s law. It demonstrates that pressure of liquids varies with depth and is independent of the shape of the vessel.It is mounted on a moulded plastic base, into top of which one of the four vases of differing shape may be screwed. All the four glass vessels have identical bottom opening.A movable index is provided on the vertical rod to enable the height of water in vases at same level.
SKU: PH10625Q
