This electric air blower can be used on any apparatus requiring heavy air blow such as air tables or air tracks. Quiet in operation and comes complete with air speed regulator and long hose. Operates on 230 volt AC.

A model of two-stroke water cooled diesel engine made in cast alloy metal. Ignition simulated by means of a miniature bulb. Fuel supply is also sectioned. With hand crank proved for manual operation depicting cam operated inlet and exhaust valves. Mounted on metal base with printed diagram.

Fitted with 3-stone knife edge agates, sensitivity 5 milligram, other specifications are same. (Supplied w/o weights).

Knife Edges:Agate

Bearing: Agate

Capacity: 200g

Sensitivity           : 5 mg

Pans: Inverse stainless steel, dia 70 mm Overall 420x240x380 mm Dimensions     (lx bx h) Approx.

Hari Scientific-352  BALLISTIC GALVANOMETERS

This galvanometer has been designed for very low current measurement. Leveling screws for balancing the coil. Coil with mirror suspended between the long suspension at the upper end and a spring at the lower end. Suspension and spring are made of special alloy to provide high degree of sensitivity to the movement. Movement housed in a bakelite case.

Resistance          : 100 or 500 ohms.

Time Period         : 10 to 15 Sec.

4mm Pin, 18mm long spring insert and hard plastic body.

Overall lenght of plug 40mm.

Colour Available   : RED,BLACK,YELLOW,GREEN,BLUE etc.