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Blair's Canadian drawing series : book 4A, geometrical ...

Blair's Canadian drawing series : book 4A, geometrical ...

Approval of BC Electric Railway Drawing K.8800/813

Approval of BC Electric Railway Drawing No. 12954-A ...

Approval of BC Telelphone Co. Drawing Covering Pole ...

Approval of BC Telephone Co. Drawing Covering Pole ...

Approval of BC Telephone Company Drawing A 8526

Approval of BC Telephone Company Drawing A.9933

Approval of BC Telephone Company Drawing Covering Pole ...

Approval of BC Telephone Company Drawing No. A-6642 ...

Approval of BC Telephone Company Pole Drawing

Approval of BC Telephone Drawing for Pole Location ...

Approval of BC Telephone Drawing No. A. 5248 ...

Approval of BC Telephone Drawing No B.-6378 Covering ...

Approval of BC Telephone Drawing Showing Pole Location ...

Approval of Drawing No. A 6297 Covering Pole ...

BC Telephone Co. Drawing A-6454

BC Telephone Drawing Covering Pole Location on Sussex ...

BC Telephone Drawing Covering Pole Location on Wilson ...

BC Telephone Drawing Covering the Pole Location on ...