Proper noun
Gernsheim (plural Gernsheims)
A surname.
Gernsheim, pg. 7 The Swedish chemist Carl Wilhelm Scheele showed in 1777 that silver chloride was especially susceptible to darkening from light exposure, and that once darkened, it becomes insoluble in an ammonia solution. Source: Internet
Gernsheim, pp. 5-6 Before the development of the photographic camera, it had been known for hundreds of years that some substances, such as silver salts, darkened when exposed to sunlight. Source: Internet
Gernsheim, pg. 5 The scientist Robert Hooke presented a paper in 1694 to the Royal Society, in which he described a portable camera obscura. Source: Internet
Gernsheim, pp. 9-11 Niépce had been experimenting with ways to fix the images of a camera obscura since 1816. Source: Internet
Gernsheim, pg. 19 Within a decade of being introduced in America, 3 general forms of camera were in popular use: the American- or chamfered-box camera, the Robert’s-type camera or “Boston box”, and the Lewis-type camera. Source: Internet