[go: up one dir, main page]

GB190205628A - An Actinometer and Exposure Meter also a Machine for Manufacturing the same and Testing Photographic Plates Paters and the like - Google Patents

An Actinometer and Exposure Meter also a Machine for Manufacturing the same and Testing Photographic Plates Paters and the like

Info

Publication number
GB190205628A
GB190205628A GB190205628DA GB190205628A GB 190205628 A GB190205628 A GB 190205628A GB 190205628D A GB190205628D A GB 190205628DA GB 190205628 A GB190205628 A GB 190205628A
Authority
GB
United Kingdom
Prior art keywords
paters
actinometer
manufacturing
machine
same
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
George William Powell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB190205628A publication Critical patent/GB190205628A/en
Expired legal-status Critical Current

Links

GB190205628D 1902-03-07 1902-03-07 An Actinometer and Exposure Meter also a Machine for Manufacturing the same and Testing Photographic Plates Paters and the like Expired GB190205628A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190205628T 1902-03-07

Publications (1)

Publication Number Publication Date
GB190205628A true GB190205628A (en) 1903-03-05

Family

ID=43802422

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190205628D Expired GB190205628A (en) 1902-03-07 1902-03-07 An Actinometer and Exposure Meter also a Machine for Manufacturing the same and Testing Photographic Plates Paters and the like

Country Status (1)

Country Link
GB (1) GB190205628A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2457746A (en) * 1944-11-07 1948-12-28 Gen Aniline & Film Corp Sensitometer employing repeating wedge modulator
US2484322A (en) * 1944-09-14 1949-10-11 Gen Aniline & Film Corp Photographic sensitometer having an optical wedge on a rotating drum
US2839149A (en) * 1950-05-19 1958-06-17 Phillips Petroleum Co Method of and apparatus for multiplying and integrating variables

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2484322A (en) * 1944-09-14 1949-10-11 Gen Aniline & Film Corp Photographic sensitometer having an optical wedge on a rotating drum
US2457746A (en) * 1944-11-07 1948-12-28 Gen Aniline & Film Corp Sensitometer employing repeating wedge modulator
US2839149A (en) * 1950-05-19 1958-06-17 Phillips Petroleum Co Method of and apparatus for multiplying and integrating variables

Similar Documents

Publication Publication Date Title
GB190205628A (en) An Actinometer and Exposure Meter also a Machine for Manufacturing the same and Testing Photographic Plates Paters and the like
FR422410A (en) Actinometer for measuring exposure times in photography
CH39455A (en) Photographic apparatus for 4 separate single exposures at the same time
GB190205986A (en) Improvements in Apparatus for Developing and Fixing Photographic Plates
GB190217911A (en) Improvements in Apparatus for Developing Photographic Impressions.
CH38139A (en) Cassette for developing and fixing photographic plates without a darkroom
CH39266A (en) Daylight developing apparatus for photographic plates
GB190118631A (en) A Calculator for Ascertaining the Exposure given by a Photographic Shutter in which the Speed and Aperture are Adjustable.
CA75189A (en) Photographic exposure meter
GB190203347A (en) Bronze Coated Plates Prepared and Sensitized for Photographic Photomechanical and other Printing Processes
FR442881A (en) Film arrays with juxtaposed polychrome elements for the photography of colors and their manufacturing processes
CH27677A (en) Photographic plate
FR376770A (en) Advanced device for photographic film rolls
FR426944A (en) Lithographic reprocessing machine
FR481836A (en) Improvements to devices used to measure or calculate exposure time in photography, generally called photometers
CH32993A (en) Device for indexing the plates on photographic apparatus
FR19753E (en) Film networks with juxtaposed polychrome elements for color photography, and manufacturing processes
CH27521A (en) Plate loaders for photographic apparatus
FR481137A (en) Locking device for rack and pinion plates and calculating machine type plates
FR344299A (en) Photographic film developing machine
CA86931A (en) Photographic developing machine
CH23767A (en) Prepayment meter
FR16507E (en) Film networks with juxtaposed polychrome elements for color photography, and manufacturing processes
FR392294A (en) Special winding solid state transformer for measuring devices
FR363998A (en) Intermediate support for photographic plates