27th April 1926, Page 32
27th April 1926
Page 32

Page 32, 27th April 1926
Close
A Dewandre Improvement.
A Resume of Recently Published Patent Specifications. A LIIERT DEWANDRE, in his spedĀ±1.fication No. 241,154, describes an addition to his specification No. 228,670, for the now......