John Percy – författare

Teaching and Learning Astronomy

Effective Strategies for Educators Worldwide

Teaching and Learning Astronomy

Effective Strategies for Educators Worldwide

Against the Stream

The Socialist Workers Party, 1972-92

Keeping the Red Flag Flying

The Democratic Socialist Party in Australian Politics: Documents, 1992-2002

Metallurgy

The Art of Extracting Metals From Their Ores, and Adapting Them to Various Purposes of Manufacture: Fuel, Fire-Clays, Copper, Zinc, Brass, Etc

Metallurgy

The Art of Extracting Metals From Their Ores, and Adapting Them to Various Purposes of Manufacture: Fuel, Fire-Clays, Copper, Zinc, Brass, Etc

Practical Metal-Worker's Assistant

Comprising Metallurgic Chemistry, the Arts of Working All Metals and Alloys, Forging of Iron and Steel ... With the Application of the Art of Electro-Metallurgy to Manufacturing Processes: Collected From Original So

Metallurgy of Lead

Including Desilverisartion and Cupellation

Metallurgy of Lead

Including Desilverisartion and Cupellation

Metallurgy

The Art of Extracting Metals From Their Ores: Silver and Gold

Metallurgy

The Art of Extracting Metals From Their Ores: Silver and Gold

Metallurgy

The Art of Extracting Metals From Their Ores, and Adapting Them to Various Purposes of Manufacture; Volume 2

Metallurgy

The Art of Extracting Metals From Their Ores, and Adapting Them to Various Purposes of Manufacture; Volume 2

Metallurgie

Gewinnung Und Verarbeitung Der Metalle Und Ihrer Legirungen in Praktischer Und Theoretischer, Besonders Chemischer Begiehung, Von John Percy ... Übertragen Und Bearb. Von Dr. F. Kanpp ...

Metallurgie

Gewinnung Und Verarbeitung Der Metalle Und Ihrer Legirungen in Praktischer Und Theoretischer, Besonders Chemischer Begiehung, Von John Percy ... Übertragen Und Bearb. Von Dr. F. Kanpp ...

Traité Complet De Métallurgie

Fer; Fours Et Chaudières; Appareils Mécaniques; Fers Bruts, Finis, Laminés Et Spéciaux; Acier; Constitiution Chimique Et Travail Des Aciers; Acier Fondu; Procédé Bessemer, Etc.; Résistance Des Fontes, Fers Et Aciers

Traité Complet De Métallurgie

Fer; Fours Et Chaudières; Appareils Mécaniques; Fers Bruts, Finis, Laminés Et Spéciaux; Acier; Constitiution Chimique Et Travail Des Aciers; Acier Fondu; Procédé Bessemer, Etc.; Résistance Des Fontes, Fers Et Aciers

Metallurgy

The Art of Extracting Metals From Their Ores; Volume 1

Metallurgy

The Art of Extracting Metals From Their Ores; Volume 1

Manufacture Of Russian Sheet-iron

Manufacture Of Russian Sheet-iron

Metallurgy. The art of extracting metals from their ores, and adapting them to various purposes of manufacture, etc.

Metallurgy. The art of extracting metals from their ores, and adapting them to various purposes of manufacture, etc.

Metallurgy. The art of extracting metals from their ores, and adapting them to various purposes of manufacture, etc.

Metallurgy. The art of extracting metals from their ores, and adapting them to various purposes of manufacture, etc.

Metallurgy; The Art Of Extracting Metals From Their Ores, And Adapting Them To Various Purposes Of Manufacture

Fuel, Fire-Clays, Copper, Zinc, Brass, Etc

Metallurgy

Kenmore

Traité Complet de Métallurgie. T. 4 (Éd.1864-1867)