DE166828C - - Google Patents

Info

Publication number
DE166828C
DE166828C DENDAT166828D DE166828DA DE166828C DE 166828 C DE166828 C DE 166828C DE NDAT166828 D DENDAT166828 D DE NDAT166828D DE 166828D A DE166828D A DE 166828DA DE 166828 C DE166828 C DE 166828C
Authority
DE
Germany
Prior art keywords
bell
prisms
light
outside
lamp
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
DENDAT166828D
Other languages
German (de)
English (en)
Publication of DE166828C publication Critical patent/DE166828C/de
Active 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
    • F21V5/00—Refractors for light sources

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
DENDAT166828D Active DE166828C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE166828C true DE166828C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=432190

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT166828D Active DE166828C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE166828C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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