McNeill's code : arranged to meet the requirements of mining, metallurgical and civil engineers; directors of mining, smelting and other companies; bankers; stock and share brokers; solicitors, accountants, financiers and general merchants. Safety and secrecy / by Bedford McNeill, assoc. M. Inst., C. E., associate of the Royal School of Mines; member of the Institution of Mining and Mechanical Enigineers; fellow of the Geological Society &c., &c. - McNeill, Bedford, n. 1916