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DE562805C
|
|
Device for supplying the grinding fluid to lens grinding machines
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|
DE566058C
|
|
Epidiascope
|
|
DE555989C
|
|
Projection microscope
|
|
DE531247C
|
|
Sanding tool with sanding surface carrier dissolved in individual parts on rubber backing
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DE541107C
|
|
Instrument to determine ametropia
|
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DE537257C
|
|
Microscope with camera in the stand
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DE512176C
|
|
Fresnel lens, especially for lighting purposes
|
|
DE489390C
|
|
Optical system for the simultaneous recording of several identical images
|
|
DE468489C
|
|
Fused multi-thickness glass
|
|
DE444802C
|
|
Observation device for leaders
|
|
DE447600C
|
|
Lighting system for projector
|
|
DE441172C
|
|
Method for fastening (holding) lenses and prisms in structural parts of optical instruments made from synthetic material
|
|
DE435706C
|
|
Optical system
|
|
DE436863C
|
|
Process for eliminating color fringes due to spatial parallax in color cinematography
|
|
DE382981C
|
|
Dioptric device for creating an artificial rainbow for stage purposes or the like.
|
|
DE396704C
|
|
Optometer
|
|
DE378660C
|
|
Process for the physical view of cinematographic recordings
|
|
DE387843C
|
|
Atomizer device for supplying the abrasive to the abrasive bodies, especially in machines for grinding optical lenses
|
|
DE347564C
|
|
Photometer
|
|
DE372059C
|
|
Photographic lens
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