I SHALL BE LISTING LARGE NUMBER OF OLD ORIGINAL CATALOGS COVERING TELEGRAPH, WIRELESS, SCIENTIFIC INSTRUMENTS, SURVEYING AND MEDICAL INSTRUMENTS AND MICROSCOPES. I WILL ALSO LIST LARGE NUMBER OF VINTAGE BOOKS ON MEDICINE, SCIENTIFIC INSTRUMENTS, SCIENCE , MICROSCOPY, WIRELESS , TELEGRAPHY AND ASTRONOMY. I WILL ALSO BE LISTING SOME RARE EARLY BOOKS ON WIRELESS TELEGRAPHY IN THE FRENCH LANGUAGE,. FOR FULL LIST AND UPDATES - Check out my other items!

THIS BOOK FROM 1923 IS EXACTLY THE SAME RE CONTENTS -  TEXT, PHOTOS AND DIAGRAMS AS THE 1913 EDITION ( SEE SCANS)  . BY JA FLEMING COVERS WIRELESS TELEGRAPHY IN 270 PAGES TOGETHER WITH PHOTOS AND DIAGRAMS. CHAPTERS COVER -

THE EATHER , ELECTRICITY AND ELECTRONS, ELECTRIC OSCILLATAIONS AND ELECTRIC WAVES, WIRELESS TELEGRAPH TRANSMITTERS AND THE SENDING OF WIRELESS MESSAAGES, WIRELESS TELEGRAPH RECEIVERS AND THE RECEPTION OF WIRELESS MESSAAGES, WIRELESS TELEGRAPHY OVER LAND AND SEA AND THE TRANSMISSION OF WIRELESS AROUND THE WORLD, WIRELESS TELEGRAPHY AND TELEPHONY IN PRACTICE ( INCLUDES FROG LEG RECEIVER) AND THE UTILISATION OF ELECTRO MAGNETIC WAVES, . THERE IS BROWNING TO PAGES TO REAR OF BOOK ( SEE SCANS).