Physics

The teslameter is used for the measurement of flux densities in steady magnetic fields. The unit includes a Hall sensor probe for measuring axial and tangential magnetic fields up to 20mT. The magnetic field probe is provided with a metric scale for measuring distances. In addition to having a digital display, the unit outputs a voltage proportional to the magnetic field which can be measured with a data logger, XY-recorder or analogue multimeter.

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.

Designed to clamp to an upright support rod or crossbar. Tape, carbon discs and instructions are included Size: 7”L x 2”W x 1 1/4 “H.

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.

Consists of two disks which can be loaded with up to 8 ball bearings in internal compartments. Load one disk symmetrically and the other non-symmetrically to show the difference. Instructions and eight solid balls included.