MS-487 PVG LAMP AND SCALE OUTFIT

For use with Reflecting galvanometer. Lamp house with universal
adjustment for setting in any direction; 6 V lamp to work on 230
volts a.c. with the help of transformer step down in base or with 6
V accumulator, for this base provided with two terminals. With rack
and pinion for quick and accurate focussing . Lamp and scale fitted
on heavy casted base with plated rod. Complete with perspex scale
calibrated in 250-0-250 mm. and 0-500 mm. Scale carrier permits
lateral adjustment ,provides full scale view over the entire length