CA168344A - Tunnelling machine - Google Patents

Tunnelling machine

Info

Publication number
CA168344A
CA168344A CA000168344A CA168344DA CA168344A CA 168344 A CA168344 A CA 168344A CA 000168344 A CA000168344 A CA 000168344A CA 168344D A CA168344D A CA 168344DA CA 168344 A CA168344 A CA 168344A
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
CA000168344A
Other languages
French (fr)
Inventor
Samuel Hoar
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA168344A publication Critical patent/CA168344A/en
Expired legal-status Critical Current

Links

CA000168344A 1915-12-21 1915-12-21 Tunnelling machine Expired CA168344A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA168344T 1915-12-21

Publications (1)

Publication Number Publication Date
CA168344A true CA168344A (en) 1916-03-21

Family

ID=45288013

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000168344A Expired CA168344A (en) 1915-12-21 1915-12-21 Tunnelling machine

Country Status (1)

Country Link
CA (1) CA168344A (en)

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