Colliery Engineer Pocket-Book of Principles Rules, Formulæ, and Tables (Classic Reprint) Foster Thomas J. Heftet / 2019 / Engelsk
Coal and Metal Miners' Pocketbook of Principles, Rules, Formulas, and Tables: Specially Compiled and Prepared for the Convenient Use of Mine Officials, Mining Engineers, and Students Preparing Themselves for Certificates of Competency as Mine Foster Thomas J. Innbundet / 2018 / Engelsk
Colliery Engineer Pocket-Book of Principles Rules, Formulæ, and Tables (Classic Reprint) Foster Thomas J. Innbundet / 2019 / Engelsk
Colliery Engineer Pocket-Book of Principles Rules, Formulæ, and Tables (Large Text Classic Reprint) Foster Thomas J. Heftet / 2019 / Engelsk
Coal and Metal Miners' Pocketbook of Principles, Rules, Formulas, and Tables: Specially Compiled and Prepared for the Convenient Use of Mine Officials, Mining Engineers, and Students Preparing Themselves for Certificates of Competency as Mine Foster Thomas J. Heftet / 2018 / Engelsk
Coal Miners' Pocketbook, Formerly the Coal and Metal Miners' Pocketbook: Principles, Rules, Formulas and Tables (Classic Reprint) Foster Thomas J. Heftet / 2017 / Engelsk
