Who optional
What else? optional

Choose from our collections

By region

Narrow your search results

By Date
By Place Show filters
By County Show filters
By Newspaper Show filters
Clear filters
By Article type Show filters

Your search returned 467,155 articles

Clerk Maxwell's Effort

Clerk Maxwell's Effort

As far back as 1869, Clerk Maxwell suggested the use of concave lenses for the slots in the ordinary phantoscope. The focal length of these lenses was equal to the diameter of the cylinder and the virtual images of the design opposite the lens was thus formed exactly midway betw
24 June 1931 - The Bioscope - London, London, England
 
THE BIOSCOPE

THE BIOSCOPE

internally there are formidable alterations. The film apparently travels backwards from the rear magazine through an ascending series of loops into the left hand or front magazine when it is spooled with the emulsion side turned in, thus quite reversing the normal practice. The
24 June 1931 - The Bioscope - London, London, England
 
THE BIOSCOPE

THE BIOSCOPE

24 June 1931 - The Bioscope - London, London, England
 
MODERN CINEMA TECHNIQUE

MODERN CINEMA TECHNIQUE

24 June 1931 - The Bioscope - London, London, England
 
VELVETS FOR THEATRE UPHOLSTERY

VELVETS FOR THEATRE UPHOLSTERY

IN GUARANTEED GRADE To safeguard Theatre Trade against poor materials, British Mohair Velvet Manufacturers have combined to fix a definite
24 June 1931 - The Bioscope - London, London, England
 
MADE BY A MEMBER OF THE

MADE BY A MEMBER OF THE

minimum quality below which they will not supply Mohair Velvets for Theatre or Cinema use. This "Theatre" Grade is of a guaranteed wearing quality—sufficient to withstand the rough usage to which upholstery in places of entertainment is • • • subjected. To insist on B.M.A. Stand
24 June 1931 - The Bioscope - London, London, England
 
•••••••••••••••

•••••••••••••••

24 June 1931 - The Bioscope - London, London, England
 
THE BIOSCOPE

THE BIOSCOPE

of clever fittings for ornamental use and as decorative emergency fittings, while in the ceiling are lights that show to the full the ingenuity of the Holophane system. A scenic wall panel illustrates the range of effects that can be produced by variation in lighting, while flan
24 June 1931 - The Bioscope - London, London, England
 
350 GUINEAS CASH PRICE

350 GUINEAS CASH PRICE

COMPLETE SOUND-ONFILM EQUIPMENT at the--- WEEK OF JUNE 22nd
24 June 1931 - The Bioscope - London, London, England
 
QUALITY

QUALITY

of workmanship throughout
24 June 1931 - The Bioscope - London, London, England