CH386844A - Device for the production of positive copies from negative, with the silver salt diffusion process - Google Patents

Device for the production of positive copies from negative, with the silver salt diffusion process

Info

Publication number
CH386844A
CH386844A CH1393461A CH1393461A CH386844A CH 386844 A CH386844 A CH 386844A CH 1393461 A CH1393461 A CH 1393461A CH 1393461 A CH1393461 A CH 1393461A CH 386844 A CH386844 A CH 386844A
Authority
CH
Switzerland
Prior art keywords
negative
production
silver salt
diffusion process
salt diffusion
Prior art date
Application number
CH1393461A
Other languages
Italian (it)
Inventor
Corona Antonio
Original Assignee
Corona Antonio
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 Corona Antonio filed Critical Corona Antonio
Publication of CH386844A publication Critical patent/CH386844A/en

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D9/00—Diffusion development apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)
CH1393461A 1960-12-21 1961-11-30 Device for the production of positive copies from negative, with the silver salt diffusion process CH386844A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2193060 1960-12-21
IT680461 1961-04-12

Publications (1)

Publication Number Publication Date
CH386844A true CH386844A (en) 1965-01-15

Family

ID=26325822

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1393461A CH386844A (en) 1960-12-21 1961-11-30 Device for the production of positive copies from negative, with the silver salt diffusion process

Country Status (2)

Country Link
CH (1) CH386844A (en)
GB (1) GB993565A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK161546C (en) * 1986-04-28 1992-01-13 Eskofot As DEVELOPER SCALE

Also Published As

Publication number Publication date
GB993565A (en) 1965-05-26

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