Title: Parallet tables of logarithms and squares for engineers, architects, and students. 11th ed./extended by E.R. Smoley and N.G. Smoley (and), Five decimal logarithmic trigonmetric tables, natural trigonometric functions including secant and cosecant; squares, cubes, square roots, etc., areas circumferences of circles foor doameters to 200 by one-eighths. 4th ed./extended by E.R. Smoley and N.G. Smoley