CA201928A - Tunnelling machine - Google Patents

Tunnelling machine

Info

Publication number
CA201928A
CA201928A CA201928A CA201928DA CA201928A CA 201928 A CA201928 A CA 201928A CA 201928 A CA201928 A CA 201928A CA 201928D A CA201928D A CA 201928DA CA 201928 A CA201928 A CA 201928A
Authority
CA
Canada
Prior art keywords
tunnelling machine
tunnelling
machine
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
CA201928A
Other languages
French (fr)
Inventor
W. Campbell Leroy
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.)
TUNNEL AND SEWER MACHINE ENGINEERING Co
Original Assignee
TUNNEL AND SEWER MACHINE ENGINEERING Co
Publication date
Application granted granted Critical
Publication of CA201928A publication Critical patent/CA201928A/en
Expired legal-status Critical Current

Links

CA201928A Tunnelling machine Expired CA201928A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA201928T

Publications (1)

Publication Number Publication Date
CA201928A true CA201928A (en) 1920-07-13

Family

ID=35076364

Family Applications (1)

Application Number Title Priority Date Filing Date
CA201928A Expired CA201928A (en) Tunnelling machine

Country Status (1)

Country Link
CA (1) CA201928A (en)

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