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THE OPTICAL
MAGIG LANTERN
JOURNAL
AND
PHOTOGRAPHIC ENLARGER.
A Magazine of Popular Science for the Lecture-voom and the Domestic Curcle.
“Vol. 1L—No. 8. [ait ts.) JANUARY, 1890. Price One Penny.
ationers’ Hall.
PERKEN, SON & RAYMENT, °° “*2cKSon°°=™: “ OPTIMUS.”
Each Magic Lantern is efficient for exhibitions. The Lens gives crisp definition, being a superior Achromatic Photographic Combination (large diameter, back lens), with rack and pinion. It is fitted to a telescopic lengthening tube, so gaining increased focal accommodation. The Condenser is composed of two _plano-convex lenses of 4 inches diameter. The refulgent lamp has 3 wicks, (or 4 wicks 2s. extra,) yielding a brilliantly illuminated picture.-Each is complete in box.
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1 | Mahogany outside Russian Iron Body, Perforated Russian | Mahogany outside Body, Japanned Meta Body, Japanned B Sliding Tubes. Iron Body, 2 Panelled Door, Brass —— Metal Stages and | Tass oicing £ubes, | Brass Sliding Tubes, Stages, Sliding Tubes : 30s. | Sliding Tubes, 42s. | 45s 50s. i 82s. ? For ‘ > ) ‘OPTIMUS’ BI-UNIAL LANTERN. (,,.F2% 6, OPTIMUS’ TRIPLE LANTERN,
The Top Lantern may be used separately with Oil Lamp.
Mahogs Pod id Ided foor, picked out with Panelled Mahogany Pody, and moulded foot, p pidiciMene ty oo, Monel ee ee
black, Japanned stages and tubes, Achromatic Photoc erect care Lens, compound condensers... «« £512 O black, Brass Stages and Tubes, Achromatic Front Lens, Ditto ditto with brass stages and sliding tubes 8 8 O Compound Condensers... -e. ek ee cee ee cee renee £1410 O
THE BRITANNIA WORKS CO.,
ILFORD, LONDON, E. ~ SOLE MANUFACTURERS OF THE
‘TLEORD" PLATES
Which have the Largest Sale of any Plates in the World.
For Winter Work use only ILFORD BROMIDE PAPERS, for enlargements or contact printing. Rapid or Slow, rough or smooth. Give finest detail, and best engraving black Tones. ; ILFORD ALPHA PAPER, to replace albumenized paper. Prints by gaslight. Any colour from black to red. Unequalled brilliancy.
ILFORD “ALPHA” LANTERN PLATES, the most successful ever introduced. A perfect plate.