GB396390A - - Google Patents

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Publication number
GB396390A
GB396390A GB396390DA GB396390A GB 396390 A GB396390 A GB 396390A GB 396390D A GB396390D A GB 396390DA GB 396390 A GB396390 A GB 396390A
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Prior art keywords
light
lens
scattered
cambridge
focus
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Publication of GB396390A publication Critical patent/GB396390A/en
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  • Investigating Or Analysing Materials By Optical Means (AREA)
GB396390D Active GB396390A (fr)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2721495A (en) * 1952-03-06 1955-10-25 Gen Electric Method and apparatus for detecting minute crystal forming particles suspended in a gaseous atmosphere
US2731874A (en) * 1953-06-22 1956-01-24 Smoke detecting apparatus
US2760417A (en) * 1953-01-21 1956-08-28 Jr Clande Laval Submersible photographic apparatus
US2769365A (en) * 1949-08-22 1956-11-06 Loeschcke Hans Counting device for microscopic particles
US2788702A (en) * 1951-09-24 1957-04-16 Leeds & Northrup Co Measurement of light scattering
US2812686A (en) * 1953-12-22 1957-11-12 Johns Manville Smoke photometer
US2816479A (en) * 1954-07-06 1957-12-17 Du Pont Particle measurement
US3361030A (en) * 1961-09-21 1968-01-02 Leonard J. Goldberg System and method for detecting small particles
US3597087A (en) * 1968-12-31 1971-08-03 Ball Brothers Res Corp Sample degradation determining method and apparatus
US5024527A (en) * 1986-02-12 1991-06-18 British Aerospace Public Limited Company Method and apparatus for remote position sensing using edge diffraction

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2769365A (en) * 1949-08-22 1956-11-06 Loeschcke Hans Counting device for microscopic particles
US2788702A (en) * 1951-09-24 1957-04-16 Leeds & Northrup Co Measurement of light scattering
US2721495A (en) * 1952-03-06 1955-10-25 Gen Electric Method and apparatus for detecting minute crystal forming particles suspended in a gaseous atmosphere
US2760417A (en) * 1953-01-21 1956-08-28 Jr Clande Laval Submersible photographic apparatus
US2731874A (en) * 1953-06-22 1956-01-24 Smoke detecting apparatus
US2812686A (en) * 1953-12-22 1957-11-12 Johns Manville Smoke photometer
US2816479A (en) * 1954-07-06 1957-12-17 Du Pont Particle measurement
US3361030A (en) * 1961-09-21 1968-01-02 Leonard J. Goldberg System and method for detecting small particles
US3597087A (en) * 1968-12-31 1971-08-03 Ball Brothers Res Corp Sample degradation determining method and apparatus
US5024527A (en) * 1986-02-12 1991-06-18 British Aerospace Public Limited Company Method and apparatus for remote position sensing using edge diffraction

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