THE AEROPLANE PORTFOLIO. By D. Ross Kennedy. Containing nine sheets of scale drawings of the following celebrated Aeroplanes: Bi-plane type—Wright, Farman, Voisin, Cody, Herring-Curtis. Monoplanes—Rep. Antoinette, Santos Dumont, and Bleriot. Each of these machines are here shown in End View, Plan and Elevation. Including booklet which contains a description of each machine. This timely set of drawings should prove of value to everyone interested in this important new industry. The complete set in folder, postpaid, for 55c.
THE PERCY PIERCE FLYER. A large scale drawing of this prize-winning Monoplane. With all measurements and details showing a front elevation, a side elevation and a top elevation; with 8-page descriptive booklet of particulars postpaid, 15c.
PERCY PIERCE DRAWING, with booklet and complete set of materials in the rough from which any one can make an exact duplicate of this dandy Model complete, postpaid, for $1.15.
A THREE-FOOT MODEL AEROPLANE. Bleriot Type. By G. E. Alexander. A large scale drawing with measurements and descriptive matter showing the construction of a splendid Model Flying Machine. The Model from which this drawing is taken has proved a very successful flyer, postpaid for 15c.
GOOD BOOKS FOR WIRELESS OPERATORS.
PART I. PLANS AND SPECIFICATIONS FOR WIRELESS TELEGRAPH SETS, Complete and Detailed Instruction for Making an Experimental Set, also a One to Five Mile Set, 55 pages, 37 illustrations; price 25c.
Part 2. PLANS AND SPECIFICATIONS FOR WIRELESS TELEGRAPH SETS. By A. Frederick Collins. Will contain complete and detailed data for constructing a Five to Ten Mile Set, also a Ten to Twenty-five Mile Set, with about 60 illustrations, and 90 pages. Price, 25c.
Parts three and four in preparation.
MAKING WIRELESS OUTFITS. By Newton Harrison. A concise and simple explanation on the construction and use of simple and inexpensive wireless equipments, for sending and receiving, giving full details and drawings of apparatus, diagrams of circuits and tables. Including the Morse and Continental Codes. 61 pages, 27 illustrations. Price, 25c.; cloth, 50c.
WIRELESS TELEPHONE CONSTRUCTION. By Newton Harrison. A comprehensive explanation of the making of a Wireless Telephone Equipment. Both the transmitting and receiving stations fully explained with details of construction sufficient to give an intelligent reader a good start in building a Wireless Telephone system and in operating it. 74 pages and 43 illustrations. Price, 25c.