FR465542A - Magnifying Glass Coarse Machine - Google Patents

Magnifying Glass Coarse Machine

Info

Publication number
FR465542A
FR465542A FR465542DA FR465542A FR 465542 A FR465542 A FR 465542A FR 465542D A FR465542D A FR 465542DA FR 465542 A FR465542 A FR 465542A
Authority
FR
France
Prior art keywords
magnifying glass
glass coarse
coarse machine
machine
magnifying
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)
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.)
ROOLF ET CIE SOC
Original Assignee
ROOLF ET CIE SOC
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 ROOLF ET CIE SOC filed Critical ROOLF ET CIE SOC
Application granted granted Critical
Publication of FR465542A publication Critical patent/FR465542A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/02—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor by means of tools with abrading surfaces corresponding in shape with the lenses to be made
    • B24B13/023—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor by means of tools with abrading surfaces corresponding in shape with the lenses to be made for grinding several lenses simultaneously

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR465542D 1913-02-08 1913-02-08 Magnifying Glass Coarse Machine Expired FR465542A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR465542T 1913-02-08

Publications (1)

Publication Number Publication Date
FR465542A true FR465542A (en) 1914-04-18

Family

ID=1504400

Family Applications (1)

Application Number Title Priority Date Filing Date
FR465542D Expired FR465542A (en) 1913-02-08 1913-02-08 Magnifying Glass Coarse Machine

Country Status (1)

Country Link
FR (1) FR465542A (en)

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