DE114700C - - Google Patents

Info

Publication number
DE114700C
DE114700C DENDAT114700D DE114700DA DE114700C DE 114700 C DE114700 C DE 114700C DE NDAT114700 D DENDAT114700 D DE NDAT114700D DE 114700D A DE114700D A DE 114700DA DE 114700 C DE114700 C DE 114700C
Authority
DE
Germany
Prior art keywords
pendulum
light
lens
photographic
weight
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
DENDAT114700D
Other languages
German (de)
English (en)
Publication of DE114700C publication Critical patent/DE114700C/de
Active legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
DENDAT114700D Active DE114700C (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
DE114700C true DE114700C (enrdf_load_html_response)

Family

ID=384181

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT114700D Active DE114700C (enrdf_load_html_response)

Country Status (1)

Country Link
DE (1) DE114700C (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2377644A1 (fr) * 1977-01-12 1978-08-11 Romani Lucien Sismographe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2377644A1 (fr) * 1977-01-12 1978-08-11 Romani Lucien Sismographe

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