SD 4011 Ball & Ring
(Gravesande
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SD 4012 Bar & Gauge
For linear heat expansion demonstrations.
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SD 4015 Compound Strip
Brass and iron strips 200mm long, riveted together with wooden handle for the demonstration of unequal expansion of different metals over the same heat range.
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SD 4016 Conductivity Apparatus
metal strips of brass/copper/iron/aluminium screwed to a ring. The outer ends of the strips are formed into small cups. The cups hold a small piece of paraffin or other low melting point substance while the ring centre is held over a bunsen burner. The conductivity (or rate of heat transfer) of the different metals can be compared by the different melting rates of the samples.
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SD 4018 Conductivity rods
Consisting of five rods (aluminium, brass, copper, iron, steel) each 300 x 6mm in size for a variety of conductivity of heat experiments.
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SD 4020 Cylinder Set
3 cylinders 20mm diameter, 30mm long of iron, copper and aluminium for specific heat experiments. Supplied in a plastic storage case.
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SD 4025 Copper Calorimeter
50mm diameter x 75mm high, suitable for a variety of specific heat experiments.
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SD 4026 Aluminium Calorimeter
50mm diameter x 75mm high, suitable for a variety of specific heat experiments.
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SD 4130 Joules Calorimeter
Aluminium outer vessel 100mm x 100mm with inner vessel 60 x 70mm fitted with lid, heating coil and stirrer. Operated by DC power to 6V.
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SD 4200 Crooke's Radiometer
Vanes are silver one side and black on the other. Vanes rotate when placed in sunlight demonstrating energy of radiation.
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SD 4300 Metal cube set
set of five ( aluminium/brass/copper/iron/lead/zinc) 1cm sides.
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SD 6000 Lens Holder
Wooden, for lenses and mirrors up to 80mm diameter.
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SD 6011Diffraction Gratings
Lines provide a mini prismatic effect in breaking up white light into its component colours.
Size
- 01 - 100 Lines per millimetre
- 02 - 300 Lines per millimetre
- 03 - 600 Lines per millimetre
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SD 6050 Newton's Ring
For the measurement of the wavelength of light. Supplied with glass plate, lens and adjusting screws.
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SD 6070 Equilateral Prisms
Faces optically polished.
Size
- 01 38mm sides
- 02 50mm sides
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SD 6080 Glass Slab
75 x 50 x 18mm, sides optically polished.
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SD 6110 Lenses Unmounted 50mm diameter.
Bi-concave, focal length
Size
- 10cm
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SD 6120 Lenses Unmounted 50mm diameter.
Bi-concave, focal length
Size
- 20cm
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SD 6130 Lenses Unmounted 50mm diameter.
Bi-concave, focal length
Size
- 30cm
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SD 6210 Lenses Unmounted 50mm diameter.
Bi-convex, focal length
Size
- 10cm
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