Lamp And Scale Arrangement

Product Description

Lamp and Scale Arrangement

It is based on 'GRIFFEN' Pattern which is highly suitable for reflecting Ballistic Galvanometers. It consists of a heavy cabinet made from S. W. G. 20 sheet of size 6 x4 x3  with printed Aluminum panel on the top. In this steel cabinet, a transformer of 6volts, 3. 5Amps is enclosed, which is suitable for the lamp house. The lamp house is made from Aluminum - Silver Alloys, machined and finished in a pleasing Duco paint. It is fitted with a special 6 Volts 20 Watt bulb which is connected to the transformer with a special male-female detachable plug. The lamp house is fitted with a rack and pinion arrangement for focusing. A double convex lens made from imported glass of 18mm diameter of 4 focal length is used in it for better results. The lamp house can slide up and down along the vertical rod fixed on a detachable box. The inclination of the lamp can be adjusted in vertical plane. Bright light through the convex lens falls on the concave mirror of the Ballistic Galvanometer and forms a bright spot on the translucent Perspex scale fitted in a special bracket above the lamp house which is divided into 25 0  25cm. and 0 to 50 cm.

Specification