Bromide (Japanese culture)

Bromsilberdruck or rotation Photography is a historical copy method for the mechanical production of black and white photographic prints. It belonged from 1892 to the dissemination of offset printing in 1920 and beyond to the main production process for postcards. In particular, the New Photographic Society had rendered outstanding services to the development of the printing process.

When Bromsilberdruck is not printed in the literal sense; it is - following in the paper guide to the rotary printing - on wheels wrapped, coated with silberbromidhaltiger gelatin photographic paper automatically drawn under Halbtonnegativen mounted, exposed, developed fixed and dried.

Since the Bromsilberdruck reproduction losses only by the reproduction of the original negative, the shades of gray but still generated by the film grain and not have to be simulated by screening as high and offset printing, it is characterized by very fine gray drawing and detail.

Swell

  • Darkroom procedures
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