Some Books Recently Received: Aeroplane Maintenance—The New Pippard and Pritchard—Metallic Materials in Design

The publication of the fourth edition of Care and Maintenance of Aircraft now includes a new chapter, entitled “Aeroplane Timbers,” by Mr. A. W. Seeley, which constitutes another valuable addition to the instructive information to aeronautical engineers, etc., that has been incorporated in this publication since its inception.