Schwing P 305 Operating Manual -

the auctioneer sale results - sale results we send out the sale results notifications in the form of a newsletter within 14 days of the sale taking place please follow the link below to register for this service, history of the single lens reflex camera wikipedia - the first 35mm prototype slr was the soviet union s prototyped in 1934 it was a very smart design with a 24mm 36mm frame size but did not enter the market until 1937 therefore it cannot be claimed as the first 35mm slr, flashlight patents prc68 com - a portable source of light probably started with a cave man carrying a burning stick of wood there have been many portable light sources based on burning something once the dry cell battery became available flashlights became more popular than they were when a lead acid or other wet battery was needed