We use Optical Character Recognition (OCR) during our scanning and processing workflow to make the content of each page searchable. You can view the automatically generated text below as well as copy and paste individual pieces of text to quote in your own work.
Text recognition is never 100% accurate. Many parts of the scanned page may not be reflected in the OCR text output, including: images, page layout, certain fonts or handwriting.
AND PHOTOGRAPHIC ENLARGER. v. NEW PATTERN
The “UNIVERSAL” Electric Are Lamp,
For OPTICAL LANTERNS.
&s. d ‘*Universal” Hand-Feed Are Lamp for Lanterns, as above, with adjustments (see Fig. 6378) but without adjusting tray ... 3 3 0 New Adjusting Tray, for ditto... . 1 1 0 Switch (Silent), for ditto on Slate bed .. 010 6
New Lantern and Slide Catalogue just published, Illustrated, 6 stamps.
Supplementary List of Lanterns, Apparatus and Slides, Post Free.
NEWTON & Go., cuctscc «3, ~Fleet Street, aiden:
His Majesty the King.
W. P. THOMPSON & @O.,
322, High Holborn, London, W.e.
R QR AND 6, Lord Street, Liverpool.
Chartered Patent Agents.
Patents secured, maintained, defended and worked in all countries. Oppositions conducted, searches made, opinions on intringements given, and expert evidence arranged. . Trademarks, Designs and Copyrights secured and defended in all countries grantingprotection.
Handbook of Patent Law. ‘Twelfth Edition. British Portion, 6d. All countries, 2/6.
Ht You Wish to Know...
1.—What focus of lens is required to reproduce a certain size of disc, at a given distance ;
2,—What size of disc can be produced by a lens of given focus at a stated “distance ;
3.—What distance a lantern must be from the screen to produce a certain sized disc with a lens of given focus ;
SEND 2%d. FOR A
Ready Reference Table
(ON CARDBOARD),
By J. HAY TAYLOR. FASTEN IT ON THE LID OF LANTERN BOX.
Magic Lantern Journal Co., Ltd.,
Prince’s Chambers, Corporation Street, Birmingham.
Kindly mention this Journal when corresponding with Advertisers.