At head of title: Laboratory of the Inland Revenue Department. Ottawa, Canada.
Signed (pages 5): A. McGill.
Original issued in series: Bulletin / Canada. Inland Revenue Dept. Laboratory ; numbers 157.
Chiefly tables.
"O.H.M.S."|
Dated: Ottawa, July 9, 1908.
Filmed from a copy of the original publication held by the National Library of Canada. Ottawa : Canadian Institute for Historical Microreproductions, 1998.