CA596118A - Automatic zeroing device for surveying instruments - Google Patents

Automatic zeroing device for surveying instruments

Info

Publication number
CA596118A
CA596118A CA596118A CA596118DA CA596118A CA 596118 A CA596118 A CA 596118A CA 596118 A CA596118 A CA 596118A CA 596118D A CA596118D A CA 596118DA CA 596118 A CA596118 A CA 596118A
Authority
CA
Canada
Prior art keywords
surveying instruments
automatic zeroing
zeroing device
automatic
surveying
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
CA596118A
Inventor
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 CA596118A publication Critical patent/CA596118A/en
Expired legal-status Critical Current

Links

CA596118A Automatic zeroing device for surveying instruments Expired CA596118A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA596118T

Publications (1)

Publication Number Publication Date
CA596118A true CA596118A (en) 1960-04-12

Family

ID=35811891

Family Applications (1)

Application Number Title Priority Date Filing Date
CA596118A Expired CA596118A (en) Automatic zeroing device for surveying instruments

Country Status (1)

Country Link
CA (1) CA596118A (en)

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