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ii, The Optical Magic Lantern Journal and Photographic Enlarger.
MOVE WITH THE TIMES... Use The PLLA N ExT" Automatic Lantern Lamp
WHEREVER CURRENT IS OBTAINABLE.
LIMELIGHT SUPERSEDED?!
@ SOME OF THE PRINCIPAL ADVANTAGES. ®e
The Lamp is Compact and Portable, and for m the Same Amount of mm Light the Cost of Curf rent Consumed in this a Lamp per Hour is @ One Fifth of the. Cost of Oxy-hydrogen Gas m where Limelight is mm used. wa. Invaluable for Enm larging and Photo
graphic Reproduction. PRICES AND FULL PARTICULARS FREE ON APPLICATION TO THE
PLANET ELECTRICAL ENGINEERING COMPANY, LIMITED,
PICCADILLY, W.,
WHERE A LAMP CAN BE SEEN AT WORK. NEWTON & CO.’S
NEW PATENT
“DEMONSTRATOR'S” _ Ete 20s.
FOR OIL OR LIMELIGHT WITH
Prism for Erecting, AND FOR
Vertical Projection. ‘Price, £9 9s. Od. <=
No Noise. No Danger. Always Ready for Use. Entirely Automatic in Action. Requires no Attention while Burning. The Light is Concen§ trated, White, and Absolutely Steady ALWAYS IN FOCUS.
NEW | PATENT
“NEWTONIAN”
LAMP for Optica) Lanterns
The most simple and efficient
Single Lantern
yet constructed for general
scientific work.
New Catalogue
of Lanterns, Prajection Apparatus and Slides. Post Free, 6 stamps.
Gives more Light than any other.
ts Simpler to use than any other.
Has no unnecessary; Adjustments __
THE NEW “NEWTONIAN” LIMES. Most Luminous of any Limes made, in tin tubes. PRICE, Six in Tin, 2Z,
PATENTEES AND SOLE MAKERS: NEWTON & CO., 3, Fleet oer LONDON.
Printed and Publiahed by the Proprietors, TavLon Bxos, 6b, Chancery Lane,
Ulstlus, woes