CH54532A - Method and device for determining the density of photographic negatives - Google Patents

Method and device for determining the density of photographic negatives

Info

Publication number
CH54532A
CH54532A CH54532A CH54532DA CH54532A CH 54532 A CH54532 A CH 54532A CH 54532 A CH54532 A CH 54532A CH 54532D A CH54532D A CH 54532DA CH 54532 A CH54532 A CH 54532A
Authority
CH
Switzerland
Prior art keywords
density
determining
photographic negatives
negatives
photographic
Prior art date
Application number
CH54532A
Other languages
German (de)
Inventor
Richard Leumann
Original Assignee
Richard Leumann
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 Richard Leumann filed Critical Richard Leumann
Publication of CH54532A publication Critical patent/CH54532A/en

Links

CH54532A 1911-01-13 1911-01-13 Method and device for determining the density of photographic negatives CH54532A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH54532T 1911-01-13

Publications (1)

Publication Number Publication Date
CH54532A true CH54532A (en) 1912-06-01

Family

ID=4293835

Family Applications (1)

Application Number Title Priority Date Filing Date
CH54532A CH54532A (en) 1911-01-13 1911-01-13 Method and device for determining the density of photographic negatives

Country Status (1)

Country Link
CH (1) CH54532A (en)

Similar Documents

Publication Publication Date Title
CH54532A (en) Method and device for determining the density of photographic negatives
CH56157A (en) Combination photographic negative and method of making the same
CH58178A (en) Method and device for keeping mustard fresh
AT75529B (en) Method and device for designating photographic recordings.
CH69005A (en) Method and apparatus for producing blueprints
FR412105A (en) Film drying apparatus and method
CH57350A (en) Method of making an abrasive in tape and sheet form
FR416292A (en) Cinematograph and film
CH61091A (en) Method and apparatus for eliminating the influence of inertia on selenium cells
CH70921A (en) Method and device for recording and reproducing sounds on and from cinematograph films
CH52839A (en) Folding plate and method of making the same
CH59993A (en) Method and device for the full utilization of the heating gases
FR394732A (en) Method and apparatus for developing photographic plates and film
CH62084A (en) Method and device for making macadam
FR437163A (en) Apparatus for developing and drying cinematographic films
NL303C (en) Method of an apparatus for the preparation and treatment of crystals
FR477684A (en) Use of gelatin film for cinematographs
FR459929A (en) Method and apparatus for the separation of various inorganic bodies of the same density
CH56981A (en) Method of making vaults
CH72737A (en) Photographic copy and recording cassette
CH61499A (en) Method and device for drying material
FR406861A (en) Apparatus for the successive exposure of photographic views
FR437620A (en) Block of photographic plates and films
FR437242A (en) Indicating and recording psychrometer
FR444238A (en) Film screening tape