Book form detective camera opening to triangular shape. Lens at apex- simple; shutter faulty. Takes 3 3/4" rollfilm. Patents by H A Benedict, US 478837, July 12 1892, 493747 March 21st 1893. No. 56 (M 2680) Improved Pocket Kosy camera 1893
Box magazine plate camera for 3 1/4 x 4 1/4 inch plates. Rouch instantaneous doublet lens No 7023 with 4 Waterhouse stops, Thornton Pickard Roller Blind shutter built in behind lens 15/25/40/60/80, released by pneumatic tube (perished). Two reflecting finders with covers. Sliding lens cover, bag type plate changer built in with 12 metal plate holders. Sliding body focusing. W.W. rouch. 1888. Rouch's Eureka Detective Camera 1888
Collapsing camera for 1 1/2 x 2 inch plates. Fitted with a simple lens of fixed aperture. Small Instantograph type rotary shutter. Conical body of six cylindrical sections, erected by internal coil spring ( like the Lancaster watch camera). Collapses into small morocco covered box. Ground glass focusing screen. J Lancaster and son c.1895. Lancaster Hand Detective camera 1890-1900
Stirn waistcoast detective camera, made by C.P. Stirn Photographische Camera, Berlin. DRP 3891. Circular metal camera for 14cm diameter plater, 6 pictures 4cm diamter. RR type lens, fixed focus aperture, roating shutter T or I, cord or direct release. Original wind on knob and pointer missing. Neck cord. Back retained by single knob. Brown enamel finish. Original box. No.13073. (M1649) Stirn waistcoast detective camera 1890-1900
Magazine plate camera in form of book, for 38 x 38mm plates. Lens missing, guillotine shutter with tension adjusting knob, plate carried in metal holder then pushed from upper compartment into focal plane and then into the lower compartment by sliding rod. Number on plate holder back visible through red window. No 1742. Marion & Co, 1934. Invented by Dr Rudolf Krugener. Kruegener's Patent Book Camera No 1510 1884-1894
C.P. Stirns 'waistcoat' detective camera; photographische camera, made in Germany; agents J. Robinson and Sons, 172 Regent Street, London & Dublin. Circular metal camera for 14cm plate, 6 pictures 4cm diameter. Fixed focus and aperture, RR type lens. Rotating disc shutter, tensioned by wind on knob. Cord release (faulty). Fitting for knob cord. Single knob retains back. Nickel plated finish. (M1998) Stirn waistcoat camera 1890-1900
Photo-Jumelle detective plate camera. Jules Carpentier; sold by Photographic Association, 16 Brook Street, Hanover Square London, W. Field-glass form camera for 2 1/2 x 3 1/2 inch plates in magazine back with 18 plateholders. Plates changed by pulling and pushing rod. Taken lens Zeis Anastigmat by E Krauss, Paris, Serial No 18755, F:110mm, f8-45. Single speed shutter, pneumatic release valve, Screw focusing inf-1.5m. Viewfinder lens image seen through red window. Serial No 6982-4. In leather case. Photo-Jumelle Binocular Camera 1905