LIST OF ILLUSTRATIONS
| PAGE | ||
| Model Aëroplane in Flight | [Frontispiece] | |
| First Model Aëroplane Exhibition | Opp. | [4] |
| Propellers (Diagram 1) | [9] | |
| How to cut propellers (Diagram 2) | [11] | |
| Designs for propellers (Diagram 3) | [14] | |
| Designs for propellers (Diagram 4) | [17] | |
| Wing construction (Diagram 5) | [20] | |
| Members of the Aëro Science Club | Opp. | [22] |
| Members of the Milwaukee and Illinois Model Aëro Clubs | Opp. | [22] |
| Frame construction (Diagram 6) | [25] | |
| Model Assembly (Diagram 7) | [30] | |
| C. W. Meyer and Wm. Hodgins exhibiting early type models | Opp. | [32] |
| Henry Criscouli with five foot model | Opp. | [32] |
| Schultz hydroaëroplane | Opp. | [32] |
| Rubber winder (Diagram 8) | [35] | |
| Chassis construction (Diagram 9) | [38] | |
| Pontoon construction (Diagram 10) | [43] | |
| Obst flying boat | Opp. | [44] |
| McLaughlin twin tractor hydroaëroplane | Opp. | [44] |
| Louis Bamberger hydro about to leave water | Opp. | [44] |
| E. B. Eiring and Kennith Sedgwick Milwaukee Club How to launch R. O. G. model | Opp. | [48] |
| Waid Carl, Concord Model Club Launching R. O. G. model | Opp. | [48] |
| Wallace A Lauder model (Diagram 11) | [54] | |
| Lauder distance and duration model | Opp. | [56] |
| Lauder R. O. G. model | Opp. | [56] |
| Lindsay Hittle world record hydroaëroplane (Diagram 12) | [61] | |
| La Tour Flying Boat (Diagram 13) | [66] | |
| Ellis Cook R. O. G. model (Diagram 14) | [73] | |
| Funk duration model (Diagram 15) | [78] | |
| Rudy Funk speed model | Opp. | [80] |
| McMahon and Schober compressed air driven models | Opp. | [80] |
| Alson H. Wheeler twin pusher biplane | Opp. | [82] |
| C. V. Obst tractor | Opp. | [82] |
| Model Warplane | [84] | |
| Simple compressed air engine (Diagram 16) | [87] | |
| Schober compressed air driven monoplane | Opp. | [90] |
| Schober compressed air driven biplane | Opp. | [90] |
| Dart compressed air driven model | [95] | |
| John McMahon and compressed air driven monoplane | Opp. | [98] |
| Frank Schober preparing model for flight | Opp. | [98] |
| John McMahon pusher biplane (Diagram 17) | [102] | |
| Wise compressed air engine | Opp. | [104] |
| Schober-Funk three-cylinder rotary engine | Opp. | [105] |
| Schober four cylinder engine (Diagram 18) | [107] | |
| Jopson gasoline engine | Opp. | [110] |
| Sectional view of Jopson engine (Diagram 19) | [112] | |
| Power curve of Jopson engine (Diagram 20) | [115] | |
| Midget gasoline engine | Opp. | [116] |
| English steam power plant | Opp. | [120] |
| V. E. Johnson steam driven hydroaëroplane | Opp. | [120] |
| English compressed air driven biplane | Opp. | [122] |
| Tractor hydroaëroplane fitted with steam power plant | Opp. | [122] |
| English compressed air engine fitted with simple speedometer | Opp. | [122] |
| The Rompel six-cylinder carbonic gas engine | Opp. | [124] |
MODEL AËROPLANES