• DocumentCode
    1317700
  • Title

    A focusing flashlight

  • Volume
    42
  • Issue
    1
  • fYear
    1923
  • Firstpage
    62
  • Lastpage
    62
  • Abstract
    A new focusing type of flashlight capable of throwing a beam of 200 to 300 feet greatly enlarges the scope of usefulness of this popular type of portable lighting unit.
  • Keywords
    Batteries; Bridges; Focusing; Lighting; Rivers; Safety; Vehicles;
  • fLanguage
    English
  • Journal_Title
    American Institute of Electrical Engineers, Journal of the
  • Publisher
    ieee
  • ISSN
    0360-6449
  • Type

    jour

  • DOI
    10.1109/JoAIEE.1923.6591859
  • Filename
    6591859
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1317700