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TM 11-2516 Tube Tester Espey Model 105, 1944

TM 11-2516 Tube Tester Espey Model 105, 1944-10-24 TABLE OF CONTENTS SECTION I. Description. Paragraph Page General 1 1 II. Installation and operation. General 2 3 Off or neutral positions of controls. 3 3 Testing tubes with tube tester Espey model 105 4 3 III. Functioning of parts. Theory of operation 5 8 Definition of mutual conductance 6 10 Functions of component parts 7 12 IV. Maintenance. General 8 15 V. Supplementary data. Commercial equivalents of Signal Corps tubes 9 17 Data for testing Signal Corps and commercial tubes 10 19 Maintenance parts list for tube tester Espey model 105 11 32 LIST OF ILLUSTRATIONS Fig. No. Title Page Frontispiece. Tube tester Espey model 105, with cover removed VIII 1 Tube tester showing acorn Tube VT'120 being tested 4 2 Tube tester Espey model 105, diagram illustrating theory 9 3 Tube tester Espey model 105, diagram illustrating theory 9 4 Tube tester Espey model 105, simplified schematic diagram 11 5 Tube tester Espey model 105, schematic diagram 13 · "24 October 1944." · "Designed for the purpose of testing standard receiving tubes and some small transmitting tubes"--Page 1

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