CA627157A - Optical type levelling instrument - Google Patents

Optical type levelling instrument

Info

Publication number
CA627157A
CA627157A CA627157A CA627157DA CA627157A CA 627157 A CA627157 A CA 627157A CA 627157 A CA627157 A CA 627157A CA 627157D A CA627157D A CA 627157DA CA 627157 A CA627157 A CA 627157A
Authority
CA
Canada
Prior art keywords
optical type
type levelling
levelling instrument
instrument
optical
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
CA627157A
Inventor
W. Keuffel Carl
L. Baker Allister
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.)
Keuffel and Esser Co
Original Assignee
Keuffel and Esser Co
Publication date
Application granted granted Critical
Publication of CA627157A publication Critical patent/CA627157A/en
Expired legal-status Critical Current

Links

CA627157A Optical type levelling instrument Expired CA627157A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA627157T

Publications (1)

Publication Number Publication Date
CA627157A true CA627157A (en) 1961-09-12

Family

ID=35882329

Family Applications (1)

Application Number Title Priority Date Filing Date
CA627157A Expired CA627157A (en) Optical type levelling instrument

Country Status (1)

Country Link
CA (1) CA627157A (en)

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