Canadian mining journal January-June 1905 . Your coal bill is a large item in jour expenseaccount, and if it could be reduced ten per cent itwould mean a large addition to your net profit. The Robb-Mumford internally fired boilerwill make a saving of at least ten per cent overan externally fired boiler, and in some casesconsiderably more. Robb Engineering Co., Limited AHHERST, CWILLIAM McKAY, 320 Ossingrton Avenue, Toronto.^WATSON JACK & COMPANY, Bell Telephone BIdgr., Montreal,(j. F. PORTER, 355 Carlton St., Winnipeg;. xxu THE CANADIAN MINING REVIEW.

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