The Lantern consists of a metal bonnet of pleasing design, which is supported by the circular disc fixed to the bottom of the central tube. The whole weight of the Lantern and Globe is taken by the central tube, and there is no weight or strain on the Bonnet. The central disc also carries the lampholders.

The upper portion of the Globe is opal, which, with the disc, forms a perfect reflector. The whole Lantern is ventilated by means of an inlet hole in the bottom of the Globe, holes thorugh the disc, and the top of the bonnet; which is covered by a cowl. The important of this ventilation cannot be over-estimated, as it ensures the lamps being kept as cool as if they were in the open air. If enclosed, and allowed to become hot, metal filament lamps quickly blacken and lose their efficiency. The whole construction of the fitting is patented, and the designs of both the Bonnet and Globe are registered.

It is effective for both in and outside uses, for the lighting of streets, shops, hotels, works, garages, railways, wharves, etc., etc.

The larger sizes are being extensively used in place of Arc Lamps, as the high candle power and efficiency now obtainable in metal filament lamps, together with the excellent conditions of working and the reflecting properties provided in the "Streetlite" Lanterns, give an effective light better than many Arc Lamps, and at much less expense in first cost, running and maintenance. Further, in the "Streetlite" Lanterns there is no complicated mechanism to get out of order, so no attention is required, except to occasionally clean the globe. This is a great advantage where no skilled electrician is employed.

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These larger sizes are extensively used for all purposes in place of Arc Lamps. The high candle power - up to 2,000 - which, owing to the patent system of ventilation, can be clustered in these larger sizes, together with the very efficient reflecting properties of the "Streetlite", renders them a most effective source of light.

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