DE182749C - - Google Patents

Info

Publication number
DE182749C
DE182749C DENDAT182749D DE182749DA DE182749C DE 182749 C DE182749 C DE 182749C DE NDAT182749 D DENDAT182749 D DE NDAT182749D DE 182749D A DE182749D A DE 182749DA DE 182749 C DE182749 C DE 182749C
Authority
DE
Germany
Prior art keywords
air
tube
needle
compressed air
opening
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.)
Active
Application number
DENDAT182749D
Other languages
German (de)
English (en)
Publication of DE182749C publication Critical patent/DE182749C/de
Active legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00Exposure-making shutters; Diaphragms
    • G03B9/58Means for varying duration of "open" period of shutter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Details Of Gearings (AREA)
DENDAT182749D Active DE182749C (enExample)

Publications (1)

Publication Number Publication Date
DE182749C true DE182749C (enExample)

Family

ID=446822

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT182749D Active DE182749C (enExample)

Country Status (1)

Country Link
DE (1) DE182749C (enExample)

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