Proceedings of the International a.s.sociation for Testing Materials.

(English Edition.)

E. & F.N. SPON, Ltd., 57 Haymarket, London, S.W.

LONDON: PRINTED BY WILLIAM CLOWES AND SONS, LIMITED.

JUST OUT THE LATEST

The

Aeroplane Portfolio

By D. ROSS KENNEDY

Containing nine sheets of scale drawings of the following celebrated Aeroplanes.

Biplane 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 mailed to any part of the world postpaid on receipt of

_net_ 55c.

SPON & CHAMBERLAIN PUBLISHERS OF TECHNICAL BOOKS 123-5 Liberty Street,--New York

[Ill.u.s.tration]

The Percy Pierce Flyer

A FAMOUS PRIZE WINNER

A Large Scale Drawing of this famous model, with all measurements and details

showing a front elevation, a side elevation and a top plan, with full descriptive matter. Anybody can make an =EXACT DUPLICATE= of this Prize Winner for himself at small cost.

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Complete set of materials in the rough with drawing and instructions, Postpaid, $1.15

The drawing and instructions 15c postpaid

Make Your Own GLIDER

How to make a 20 ft. Biplane Gliding Machine

That will carry an ordinary man

PracticaI handbook on the construction of a Biplane Gliding Machine enabling an intelligent reader to make his first step in the field of aviation with a comprehensive understanding of some of the princ.i.p.als involved. By Alfred Powell Morgan. Contents of Chapters: 1. The Framework, a.s.sembling and finishing the wood. 2. Covering the planes, Laying out the fabric and fastening it. 3. Trussing, Fastening the tie rods and trueing the glider. 4. Gliding flight. The princ.i.p.als involved. Instructions and precautions. 5. Remarks. Fully ill.u.s.trated with detail drawings. By Mail. In paper, postpaid, 25c.

In handsome cloth binding, postpaid, 55c.

=Flying Machines, Past, Present and Future.= A popular account of flying machines, dirigible balloons and aeroplanes.

Describing many different kinds of machines, and their chief feature. By A.W. Marshall and Henry Greenly. 138 pages 23 ill.u.s.trations and many plates, 12 mo. boards. By mail 55c.

=Model Flying Machines.= Their design and construction by W.G.

Aston. A first rate little book showing numerous methods of propelling models, making propellors, construction of different kinds of models, etc., etc. 130 pages, 94 ill.u.s.trations. 12 mo.

boards, by mail 55c.

=Model Aeroplanes.= How to Build and Fly Them, by E.W. Twining. A set of 5 full-size scale drawings for three different models with descriptive ill.u.s.trated book explaining how to make and fly them.

Postpaid : : : : 55c

=No. 2 Model.= Complete set of parts in the rough to make up this model. (Without drawings),

Postpaid : : 65c

[Ill.u.s.tration: No. 3 Model]

=No. 3 Model.= Complete set of parts in the rough (without drawings).

This makes up into a beautiful little model.

Postpaid : : : : $1.15

=Model Gliders, Birds, b.u.t.terflies and Aeroplanes.=

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