FR355814A - Test apparatus for the discovery of electric sparks - Google Patents

Test apparatus for the discovery of electric sparks

Info

Publication number
FR355814A
FR355814A FR355814DA FR355814A FR 355814 A FR355814 A FR 355814A FR 355814D A FR355814D A FR 355814DA FR 355814 A FR355814 A FR 355814A
Authority
FR
France
Prior art keywords
discovery
test apparatus
electric sparks
sparks
electric
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
Frank-Eugene Smith
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.)
FRANK-EUGENE SMITH
Original Assignee
FRANK-EUGENE SMITH
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 FRANK-EUGENE SMITH filed Critical FRANK-EUGENE SMITH
Application granted granted Critical
Publication of FR355814A publication Critical patent/FR355814A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/14Indicating direction of current; Indicating polarity of voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR355814D 1905-07-01 1905-07-01 Test apparatus for the discovery of electric sparks Expired FR355814A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR355814T 1905-07-01

Publications (1)

Publication Number Publication Date
FR355814A true FR355814A (en) 1905-11-13

Family

ID=1403825

Family Applications (1)

Application Number Title Priority Date Filing Date
FR355814D Expired FR355814A (en) 1905-07-01 1905-07-01 Test apparatus for the discovery of electric sparks

Country Status (1)

Country Link
FR (1) FR355814A (en)

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