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THE OPTICAL
MAGIC LANTERN
JOURNAL
AND
PHOTOGRAPHIC ENLARGER.
A Magazine of Popular Science for the Lecture-room and the Domestic Circle.
Vol. 1—No. 10. [sites tau] MARCH 1, 1890. Price One Penny.
PERKEN, SON & RAYMENT, °° “*2oNSon*°™™ “ OPTIMUS.”
Each Magic aa is efficient for exhibitions. The Lens ain crisp definition, being a superior Achromatic Photographic Combination (arge 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 brilliaotly illuminated picture.--Each is complete in box.
2s.
| Mnoeeny outside Russian Iron Body, Perforated Russian ; Mahogany outside Body,
Japanned Metal
ody, Japanned +4. Iron Body, 2 Panelled Door, Brass Ment pate and | Brass Sliding Tubes, | prac Sliding Tubes, | | Stages, Sliding Tubes 80s. Sliding S 42s. | 45s 50s. i 82s. ’ ‘ 5)
‘OPTIMUS’ BI-UNIAL LANTERN. (inf? nt. OPTIMUS’ TRIPLE LANTERN. Panelled Mahogany Body, and moulded foot, picked out with The Top Lantern may be used separately with Oil Lamp.
black, Japanned stages and tubes, Achroniatic PhotoPanelled Mahogany Body, Moulded foot picked out with
graphic Front Lens, compound condensers.. £ 20 black, Brass Stages and Tubes, Aenromatie Front Lens, Ditto ditto with brass stages and sliding tubs 8 8 O Compound Condensers ... . woe a 6 £1410 O
THE BRITANNIA WORKS CO..
ILFORD, LONDON, E. SOLE MANUFACTURERS OF THE
“ILFORD” 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 FLATES, the most successful ever introduced. A
perfect plate.