DE178061C - - Google Patents

Info

Publication number
DE178061C
DE178061C DENDAT178061D DE178061DA DE178061C DE 178061 C DE178061 C DE 178061C DE NDAT178061 D DENDAT178061 D DE NDAT178061D DE 178061D A DE178061D A DE 178061DA DE 178061 C DE178061 C DE 178061C
Authority
DE
Germany
Prior art keywords
coal
positive
carbon
negative
arc
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
DENDAT178061D
Other languages
German (de)
English (en)
Publication of DE178061C publication Critical patent/DE178061C/de
Active legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B31/00Electric arc lamps
    • H05B31/003Electric arc lamps of a special type
    • H05B31/0039Projectors, the construction of which depends upon the presence of the arc

Landscapes

  • Radiation-Therapy Devices (AREA)
DENDAT178061D Active DE178061C (https=)

Publications (1)

Publication Number Publication Date
DE178061C true DE178061C (https=)

Family

ID=442491

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT178061D Active DE178061C (https=)

Country Status (1)

Country Link
DE (1) DE178061C (https=)

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