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SPECIFICATION

Corrosion resistant die-cast aluminium alloy (LM6) top casting and bowl ring; perspex bowl with sealed-on machined and polished refractor panels, other parts of the bowl diffusing. Fully gasketted to eliminate dirt and moisture. Porcelain B.C. lampholder. Stainless steel hinges and quick action toggle catch. The control gear compartment is enclosed by a U section matt aluminium reflector. Provision is made within this compartment for: Transformer, capacitor, porcelain terminal block, earth screw and insulated cable clamp. All connecting wires are protected by heat resisting braided sleeving. Compiles with B.S. 1788/1951. Weight 7½ lbs less gear. Average weight of gear 16 lbs.



PERFORMANCE

Non-cut-off medium angle beam, one of the highest efficiency lanterns available. Main beam designed to run back above the peak towards 90° from the downward vertical to give controlled cut-off to reduce glare to a minimum.



FIXING

Top entry ¾" B.S.P. thread. Side entry versions is also available.



CATALOGUE
NUMBER
LAMP LUMENS PER 100FT. LINEAR LIGHT OUTPUT
RATIO
% IN LOWER
HEMISPHERE
120FT. SPACING 140FT. SPACING
HW.74712 45W sep. jacket
60W sep. jacket
1365
2080
1170
1785
84% 87%
HW.74713 45W int. jacket
60W int. jacket
1460
2290
1250
1960



THE 'GOLDEN RAY' MKVIII

ISOCANDLE DIAGRAM


Test No. C44




BASED ON 60W SODIUM LAMP
INITIAL OUTPUT 4020 LUMENS

ELECO PHOTOMETIC LABORATORY



ELECO LIMITED


Sphere Works · St. Albans · Hertfordshire
Telephone: ST. ALBANS 54524/8 Telegrams: VOLTARCON ST. ALBANS