Receivers / transmitters / switch-bells / magneto generator / relays / switches and switch-boards / overhead and earth wires / connecting-up / private exchange systems for hotels and other large buildings / public exchange systems / testing for faults.

This informational work explains the general practice and principles of model aeroplaning. In describing this exciting subject, the writer used simple language, avoiding any technicalities for the readers to grasp information quickly. Contents include: Introduction The Question of Weight The Question of Resistance The Question of Balance The Motive Power Propellers or Screws The Question of Sustentation The Centre of Pressure Materials for Aeroplane Construction Hints on the Building of Model Aeroplanes The Steering of the Model The Launching of the Model Helicopter Models Experimental Records Model Flying Competitions Useful Notes, Tables, Formulæ, Etc

Includes the Society's list of officers, members, and associates.