GB179139A - Means for projecting optical images - Google Patents

Means for projecting optical images

Info

Publication number
GB179139A
GB179139A GB31827/21A GB3182721A GB179139A GB 179139 A GB179139 A GB 179139A GB 31827/21 A GB31827/21 A GB 31827/21A GB 3182721 A GB3182721 A GB 3182721A GB 179139 A GB179139 A GB 179139A
Authority
GB
United Kingdom
Prior art keywords
optical images
projecting optical
projecting
images
optical
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
GB31827/21A
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.)
GEORGE HENDERSON STANSER MCNAI
Original Assignee
GEORGE HENDERSON STANSER MCNAI
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 GEORGE HENDERSON STANSER MCNAI filed Critical GEORGE HENDERSON STANSER MCNAI
Publication of GB179139A publication Critical patent/GB179139A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS 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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/001—Slide projectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
GB31827/21A 1921-04-26 1921-11-28 Means for projecting optical images Expired GB179139A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US179139XA 1921-04-26 1921-04-26

Publications (1)

Publication Number Publication Date
GB179139A true GB179139A (en) 1923-02-15

Family

ID=21785243

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31827/21A Expired GB179139A (en) 1921-04-26 1921-11-28 Means for projecting optical images

Country Status (1)

Country Link
GB (1) GB179139A (en)

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