DE134258C - - Google Patents

Info

Publication number
DE134258C
DE134258C DENDAT134258D DE134258DA DE134258C DE 134258 C DE134258 C DE 134258C DE NDAT134258 D DENDAT134258 D DE NDAT134258D DE 134258D A DE134258D A DE 134258DA DE 134258 C DE134258 C DE 134258C
Authority
DE
Germany
Prior art keywords
lens
disc
lever
same position
always
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
DENDAT134258D
Other languages
German (de)
English (en)
Publication of DE134258C publication Critical patent/DE134258C/de
Active legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/10—Glass-cutting tools, e.g. scoring tools
    • C03B33/12—Hand tools

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
DENDAT134258D Active DE134258C (cs)

Publications (1)

Publication Number Publication Date
DE134258C true DE134258C (cs)

Family

ID=402398

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT134258D Active DE134258C (cs)

Country Status (1)

Country Link
DE (1) DE134258C (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4610005A (en) * 1980-06-19 1986-09-02 Dresser Industries, Inc. Video borehole depth measuring system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4610005A (en) * 1980-06-19 1986-09-02 Dresser Industries, Inc. Video borehole depth measuring system

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