12 6
Ventilation.
Health and Comfort in House Building, or Ventilation with Warm Air by Self-Acting Suction Power, with Review of the mode of Calculating the Draught in Hot-Air Flues, and with some actual Experiments, by J. Drysdale, M.D., and J. W. Hayward, M.D., second edition, with Supplement, demy 8vo, with plates, cloth
7 6
The Supplement separate
0 6
Weight of Iron.
Tabulated Weights of Angle, T, Bulb, and Flat Iron, for the use of Naval Architects and Shipbuilders, by Charles H. Jordan, M.I.N.A., 18mo, sewed, second edition
1 6
Wood-working Factories.