Smoke prevention and fuel economy : (based on the German work of E. Schmatolla) / by Wm. H. Booth and John B.C. Kershaw, F.I.C ; with seventy-five illustrations.

In copyright

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Credit

Smoke prevention and fuel economy : (based on the German work of E. Schmatolla) / by Wm. H. Booth and John B.C. Kershaw, F.I.C ; with seventy-five illustrations. In copyright. Source: Wellcome Collection.