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DOCK LIGHTING LANTERNS



Z 5411
P.L.A.
500-watt clear
OSRAM lamp
recommended.

Z 5412

The Z 5411 lantern has been specially designed to comply with the Port of London Authority requirement for docks, also for use in car parks, factory yards, etc. The lamp filament is screened, and special attention has been paid to the securing of the strength and robustness which are so essential in lanterns used for such purposes. The top is fitted with a special ventilated device operating on the ejector principle. The body is constructed of heavy gauge copper, finished stove enamelled green outisde, and includes a single-piece "Gecoray" silvered glass reflector of special contour. The reflector is so designed as to give an angle of cut-off of 65° for the prevention of glare. Adjustment can be made to give an angle of cut-off of 65° for the prevention of glare. Adjustment can be made to give an angle of cut-off up to 71° where it is necessary to increase the distance apart. The mounting height recommended is from 30 to 35 feet, with a spacing of 110 feet apart.

The Z 5412 lantern has the same light characteristics as the Z 5411, but has the additional advantage of a single knob external focusing control.

The body is of heavy gauge copper, non-ventilated and finished green. Fitted with a single-piece "Gecoray" reflector. Of light weight construction and very neat appearance.

Maximum peak candle power intensity at an angle of 57° can be obtained with 65° cut-off.

Maximum peak candle power intensity at an angle of 65° can be obtained with 71° cut-off.

Standard tapping, 1-in. gas.

Cat. No. OSRAM lamp recommended.
(Watts)
Overall diameter.
(ins)
Overall height.
(ins)
Weight complete.
(lbs)
Price each.
(£ s. d.)*
Z 5411 500 18 20 20 7 10 0
Z 5412 500 15 24½ 18½ 6 10 0

* Prices include lampholders, but not lamps.
For spare reflectors for above lanterns quote Cat. No. ZF 5653



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