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SU131922A1
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Device for photographing the inner surface of cylinders
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SU121265A1
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Focal monochromator
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SU113926A1
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Dual focal monochromator
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SU113911A1
|
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Lens condenser
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SU113913A1
|
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Mirror-lens capacitor
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SU79925A1
|
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Household Solar Heater
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SU67223A1
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Photometer
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SU65392A1
|
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Lamp
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SU67838A1
|
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A method of measuring the visibility of an object from a certain distance
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SU43746A1
|
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Photoelectric receiver
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SU43749A1
|
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A device for determining the reflection coefficient of the surface of diffuse light
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SU21591A1
|
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Solar steam boiler
|
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SU33010A1
|
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Solar water maker
|
|
SU20559A1
|
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Device for getting fresh water from hot salt springs
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SU19866A1
|
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Device for automatic start-up and stopping of the engine turning the solar steam boiler
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SU19947A1
|
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Device to reduce feed resistance of the environment to vessel traffic
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SU23118A1
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Device for reducing air resistance to the movement of motor carriages
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SU8511A1
|
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Device for fixing drawing devices on a drawing board in a certain position
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SU8305A1
|
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Device for heating a mechanical sledge
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SU5888A1
|
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Adaptation device for jumping self-propelled crew
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