I SHALL BE LISTING APPROX 20 VINTAGE  BOOKS AND  CATALOGS COVERING PHYSICS, SCIENCE, SCIENTIFIC AND MEDICAL / SURGICAL  INSTRUMENTS, SURVEYING INSTRUMENTS AND METROLOGICAL INSTRUMENTS.ALSO BOOKS AND CATALOGS COVERING WIRELESS, TELEGRAPH , MICROSCOPES AND MICROSCOPY ( RARE VICTORIAN MEDICAL MICROSCOPY). ONE OF THE BEST IS EARLY CATALOG COVERING SCIENTIFIC INSTRUMENTS FOR PHYSICS. ALSO RARE VICTRIAN BOOK COVERING APPROX 20 HIGH VOLTAGE ELECROSTATIC MACHINES ( INFLUENCE MACHINES) IN ADDITION TO COMMON WIMSHURST MACHINE. I SHALL ALSO BE LISTING VICTORIAN BOOKS OF ORIGINAL SCIENTIFIC PATENTS. . PLEASE CLICK ON VIEW SELLERS OTHER ITEMS BUTTON FOR COMPLETE LIST AND UPDATES.

MONTGOMERY WARD CATALOG OF WIRELESS TELEGRAPHY EQUIPMENT FROM 1922. CATALOG MEASURES 7X9.5 INCHES. COVERS NOT ONLY SW RECEIVERS BUT ALSO SPARK GAP TRANSMITTER EQUIPMENT AS WELL. LOTS OF GREAT ILLUSTRATIONS. ( SEE SCANS FRO EXAMPLES OF CONTENTS). COVERS RECEIVERS OF VARIOUS COMPLEXITIES, , AMPS, DETECTORS, VARIOMETERS AND VARICOUPLERS, CONTROL PANALS, HORN SPEAKERS, HEADPHONES, VACUUM TUBES, RHEOSTATS AND VARIOUS TYPES OF TRANSFORMER, LOOSE COUPLERS, CRYSTAL DETECTORS, VARIOUS TYPES OF CONDENERS, COILS, BATTERIES AND CHARGERS, ANTENNAS AND ANTENNA EQUIPMENT, VARIOUS TYPES OF SPARK GAP TRANSMITTER AND COMPONENTS INCLUDING ROTARY, MICS , OSCILLATION TRANSFORMERS, TRANSMITTERS. 32 PAGES . APART FROM SLIGHT BROWNING TO OUTER COVER THIS IS IN GREAT CONDITION.