THE CHEMISTRY OF COMMERCE
Prof. R.K. Duncan, author of "The New Knowledge." Illustrated. 7s. 6d. net; post-free, 7s. 11d.
An account of the scientific processes involved in modern industry, with valuable suggestions for their extension
Prof. R.K. Duncan, author of "The New Knowledge." Illustrated. 7s. 6d. net; post-free, 7s. 11d.
An account of the scientific processes involved in modern industry, with valuable suggestions for their extension