WATERWORKS FOR URBAN AND RURAL DISTRICTS. H. C. Adams 15 0 WIRELESS FOR THE HOME. N. P. Hinton 2 0 WIRELESS POCKET BOOK, MARINE. W. H. Marchant 6 0 WIRELESS TELEGRAPHY AND HERTZIAN WAVES. S. R. Bottone 3 6 WIRELESS TELEGRAPHY: A PRACTICAL HANDBOOK FOR OPERATORS AND STUDENTS. W. H. Marchant 7 6 WOOD-BLOCK PRINTING. F. Morley Fletcher 8 6 WOODCARVING. C. G. Leland 7 6 WOODWORK, MANUAL INSTRUCTION. S. Barter 7 6 WOOL SUBSTITUTES. R. Beaumont 10 6 _Catalogue of Scientific and Technical Books post free._ * * * * * LONDON: SIR ISAAC PITMAN & SONS, LTD PARKER STREET. KINGSWAY, W.C.2 BEST VALUE IN THE MARKET PANAMA HATS Merchants, Shippers & Wholesale Houses REQUIRING PANAMA HATS Should correspond with _GREGORY & SONS_ 8 & 9, NEW ZEALAND AVENUE, LONDON, E.C.1 who are experts in the Trade, and are The Largest Importers in Great Britain * * * * * _Telegrams_: “GREGORIO, LONDON.” _Codes_: BENTLEYS, A B C (5th Edition) LIEBER’S _Telephone No._: CITY 1755 COIGNET’S GELATINES COIGNET No. 1 PARIS-LYON BRANDS COIGNET No. 2 PARIS-LYON _Established in 1818_ Were the first to be used for stiffening straw hats and are still . . the best . . * * * * * _For Samples and Prices apply to_ Société des Produits Chimiques COIGNET PARIS: 114 Boulevard Magenta (X^e) LONDON: 90 Fenchurch Street (E.C.3) NEW YORK: 17 State Street =Transcriber’s Notes= Minor punctuation errors have been corrected. The following typos have been corrected.