Extra superior quality and heavy in construction. The lamp house is of cast aluminium, machine turned and finished in pleasing duco paint. It is fitted with 8 volts electric bulb through built in transformer and works on 220 volts A.C. Mains. Translucent Perspex scale graduated in 25-0-25cm is used in this unit. Complete on heavy cast iron stand with adjustable brackets for lamp house and scale with cord and pin plug.
Same as Cat. No. 285 but working on 220 volts AC main without transformer.