GB196027A - Improvements in light projecting apparatus for the stages of theatres and the like - Google Patents

Improvements in light projecting apparatus for the stages of theatres and the like

Info

Publication number
GB196027A
GB196027A GB34122A GB34122A GB196027A GB 196027 A GB196027 A GB 196027A GB 34122 A GB34122 A GB 34122A GB 34122 A GB34122 A GB 34122A GB 196027 A GB196027 A GB 196027A
Authority
GB
United Kingdom
Prior art keywords
light
theatres
lens
stages
light projecting
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
GB34122A
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
Priority to GB34122A priority Critical patent/GB196027A/en
Publication of GB196027A publication Critical patent/GB196027A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00—Lighting devices or systems producing a varying lighting effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

196,027. Booth, E., and Booth, N. R. Jan. 5, 1922. Projectors; lantern screens and glasses; telltale and other devices external to lantern for transmitting light to definite points.-In a lightprojector for theatres &c. a metal casing x having a source of light p arranged in front of a spherical mirror y is provided with a principal lens a and supplementary lenses b, c which project the light on to adjustable mirrors m which re-direct the light on to the object to be illuminated. In front of each lens are provided grooves v for carrying coloured screens so that the light from the mirrors m and the lens a may be suitable coloured. The casing x may be mounted on trunnions so that it may be moved in any direction. Specification 10911/04 is referred to.
GB34122A 1922-01-05 1922-01-05 Improvements in light projecting apparatus for the stages of theatres and the like Expired GB196027A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB34122A GB196027A (en) 1922-01-05 1922-01-05 Improvements in light projecting apparatus for the stages of theatres and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB34122A GB196027A (en) 1922-01-05 1922-01-05 Improvements in light projecting apparatus for the stages of theatres and the like

Publications (1)

Publication Number Publication Date
GB196027A true GB196027A (en) 1923-04-05

Family

ID=9702682

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34122A Expired GB196027A (en) 1922-01-05 1922-01-05 Improvements in light projecting apparatus for the stages of theatres and the like

Country Status (1)

Country Link
GB (1) GB196027A (en)

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