FR597309A - Reflector refinements - Google Patents

Reflector refinements

Info

Publication number
FR597309A
FR597309A FR597309DA FR597309A FR 597309 A FR597309 A FR 597309A FR 597309D A FR597309D A FR 597309DA FR 597309 A FR597309 A FR 597309A
Authority
FR
France
Prior art keywords
refinements
reflector
reflector refinements
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
Other languages
French (fr)
Inventor
Gilbert Fox Allom
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 filed Critical
Application granted granted Critical
Publication of FR597309A publication Critical patent/FR597309A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR597309D 1925-03-06 1925-03-04 Reflector refinements Expired FR597309A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB597309X 1925-03-06

Publications (1)

Publication Number Publication Date
FR597309A true FR597309A (en) 1925-11-18

Family

ID=10484318

Family Applications (1)

Application Number Title Priority Date Filing Date
FR597309D Expired FR597309A (en) 1925-03-06 1925-03-04 Reflector refinements

Country Status (1)

Country Link
FR (1) FR597309A (en)

Similar Documents

Publication Publication Date Title
FR640251A (en) Swings refinements
FR640144A (en) Bodywork refinements
FR608795A (en) Pulley refinements
FR603494A (en) Washer refinements
FR610650A (en) Refinements with cannetières
FR597309A (en) Reflector refinements
FR596997A (en) Lantern refinements
FR581722A (en) Umbrella refinements
FR549176A (en) Reflector refinements
FR559726A (en) Reflector refinements
FR595446A (en) Rocket refinements
FR611522A (en) Valve refinements
FR592610A (en) Tournette refinements
FR607948A (en) Stylograph refinements
FR605507A (en) Reflector refinements
FR597235A (en) Umbrella refinements
FR645751A (en) Lantern refinements
FR608816A (en) Capacitor refinements
FR601077A (en) Comb refinements
FR605038A (en) Headphone-selectors improvements
FR620067A (en) Punch-cutters improvements
FR593838A (en) Eiderdown improvement
FR30899E (en) Storm lantern refinements
FR627586A (en) Lamp refinements
FR616538A (en) Strobe refinements