Weston Master (Model 715)
Weston Elec. Inst. Corp.
Jonan-Elite
Jonan Electric Corporation
Lunasix 3
P. Gossen & Co. GmbH
Ikophot
Zeiss Ikon
Blendux (Ombrux)
P. Gossen & Co. GmbH
Lunasix
P. Gossen & Co. GmbH
Metrastar
Metrawatt A. G.
Lunasix 3
P. Gossen & Co. GmbH
Tempoplex
Pless
Picoskop
Kiesewetter
Ikophot
Zeiss Ikon A. G.
Weston Master III Cine (model S217-3)
Sangamo Weston Ltd
Weston Master II (model 735)
Weston Elec. Inst. Corp.
Photoskop K
Kiesewetter
Bertram Amateur
E. & W., Ernst & Wilhelm Bertram
Étoile Optique
H. Gravillon
Dorn Prix
Dorn Neustadt/ W.
L-38 Auto-Leader
Sekonic Co. Ltd
Avo Exposer Meter model 1
Acweeco, Automatic Coil Winder & Electrical Equipment Co. Ltd
Eos
Metrawatt A. G.
