  HARPER’S “TELL ME HOW” BOOKS A New Series HARPER’S GASOLINE ENGINE BOOK HARPER’S AIRCRAFT BOOK HARPER’S WIRELESS BOOK HARPER’S BEGINNING ELECTRICITY HARPER’S EVERY-DAY ELECTRICITY Illustrated. Crown 8vo. HARPER’S PRACTICAL BOOKS HARPER’S BOOK FOR YOUNG GARDENERS HARPER’S BOOK FOR YOUNG NATURALISTS HARPER’S HOW TO UNDERSTAND ELECTRICAL HARPER’S ELECTRICITY BOOK FOR BOYS HARPER’S BOATING BOOK FOR BOYS HARPER’S CAMPING AND SCOUTING HARPER’S OUTDOOR BOOK FOR BOYS HARPER’S INDOOR BOOK FOR BOYS HARPER’S MACHINERY BOOK FOR BOYS HARPER’S HANDY BOOK FOR GIRLS Illustrated. Crown 8vo. THE STORY OF GREAT INVENTIONS Uniform in appearance with above. MOTOR BOATING FOR BOYS Illustrated. Crown 8vo. HARPER & BROTHERS, NEW YORK HARPER’S |
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