Engineman’s Master's Key by L.F.R. Schnabel Licensed Inspector Melbourne, Victoria. Printed at the L.F.R Schnabel Engineering Institute, 443 Bourke St, Melbourne C 1903. Pans and specifications executed for Steam engines. Boilers and Power Plants, hard covered book worn.document, memo, railway, engineman’s master's key - book by l.f.r. schnabel - licensed inspector melbourne victoria, printed at the l.f.r schnabel engineering institute , 443 bourke st melbourne. plans and specifications executed for steam engines, boilers and power plants.