TM 11-332 ci TECHNICAL MANU TELEPHONE CENTRAL OFFfCETSET TC-4 'FICF/SI CHANGES 1 W JUfcsljEPARTMENT, /'No/l J TM. 11-332, June 1, 1942, is 6. Switchboard operatic * * * /. Grouping key. * * * (3) The A and B leads are commonto Ml cord…Historic53 pagesComms Signal
WAR DEPARTMENT TECHNICAL MANUAL . "I. A j f hft *.' " , TELEPHONES , EE-8, EE-8-A AND EE-8-B WARNING: The material forming the subject matter of this manual is the property of the United States Government and it is printed and distributed…Historic83 pagesComms Signal
Section I. DESCRIPTION OF TIMING AND TELEPHONE SET ML-110 1. General a. Timing and Telephone Set ML-110 consists of Time Interval Unit ML-138 and associated equipment. The timing and tele phone set is designed as an aid in making…Historic75 pagesComms Signal
TM 11-336 V3 TECHNICAL M TELEPHONE CENTRAL OFFI / I "*""" • - CHANGES! / *OWAB DEPARTMENT, No. 1 WASHINGTON, May 12, 1943. TM 11-336, January 18, 1943, is changed as follows : APPENDIX (ADDED) MOBILE TELEPHONE CENTRAL OFFICE FOR DIVISIONS…Historic61 pagesComms Signal
Covers the description, installation, operation, and maintenance of Telephone Central Office Set TC-10, including Switchboard BD-110.Historic173 pagesComms Signal
11-340 MANUAL TELEPHONE CENTRAL OFFICE SET TC-2 CHANGES! WAR DEPARTMENT, 1 J WASHimiiua 25, R C., 12 November 1943. TM 11-340, 19 October 1942, is changed as follows: 2. Description. &. Cabinet BE-79 (main distributing frame) (fig. 2). —…Historic97 pagesComms Signal
Table of resistance versus voltmeter reading for various test battery voltages. Voltmeter, 100,000 ohms (voltmeter not shunted) ' Voltmeter• 199.6 ohms (VM SHUNT key operated) ' Voltmeter reading (Maximum test battery voltage) (Maximum…Historic59 pagesComms Signal
LIST OF ILLUSTRATIONS Fig. No. Title Page 20. Schematic diagram for measuring transmission through a switchboard cord circuit 23 21. Schematic diagram for measuring transmission through a switchboard line or trunk circuit 23 22. Schematic…Historic83 pagesComms Signal
INTRODUCTION. a. The Radio Teletype Terminal Equipment AN/FGC1 or AN/FGC-1X forms part of a radio-telegraph system, the receiving circuit being designed to receive signals alternately from one or two radio transmitters at moderate…Historic210 pagesComms Signal
TM 11-360 REEL UNITS RL-26 AND RL-26-A 1-2 mounted, the units can also be operated in temporary fixed positions 011 the ground. 2. Characteristics. —a. RL-26.—All component parts of the reel unit RL-26 are assembled on a skid frame which…Historic91 pagesComms Signal
L- 110i BBQ . TM 11-362 Gi CALIF: 1 TECHNICAIN N REEL -B Ni ' CHANGES os ° pe. MRTMENT, No. 1 NGTON .5 February 1944. TM 11-862, 1 July 1941, is changed ag iq tb 8.1. (Added.) Installation in t-tén truck.—a. General.—To mount reel unit…Historic27 pagesComms Signal
Covers the description, installation, operation, and maintenance of Vulcanizing Equipments TE-54-A, TE-55-A, TE-54-B, and TE-55-B.Historic43 pagesComms Signal
To prevent the enemy from using or salvaging this equipment for his benefit. WHEN — When ordered by your commander. • HOW — 1. Smash—Use sledges, axes, handaxes, pickaxes, ham mers, crowbars, heavy tools. 2. Cut—Use axes, handaxes,…Historic47 pagesComms Signal
LIST OF ILLUSTRATIONS Figure 1. Method of terminating Cable Assembly CC-355-A (10-pair) and Cable Assembly CC-345 (5-par) and Cable Stub CC-344. The complete illustration represents the termination of CC-355—-A, and the upper molded…Historic51 pagesComms Signal
Throw key switch (S-5) to TALK position (nonlocking) for talking to the distant facsimile operator. The motor receives power and may be running in this position. Caution: The talk-back circuit will not function over a radio circuit which…Historic130 pagesComms Signal
Section DESCRIPTION 1. Scope a. This Technical Manual covers the description, operation, maintenance, repair, and emergency de- struction of Converter M—209—(*). The manual sets forth detailed instructions on the prescribed method of…Historic188 pagesComms Signal
WAR DEPARTMENT TECHNICAL MANUAL TM 11-400 PHOTOGRAPHIC SET PH-261 WAR DEPARTMENT JANUARY 1945 DISSEMINATION OF RESTRICTED MATTER. The information contained in restricted documents and the essential characteristics of restricted materiel…Historic47 pagesComms Signal
RESTRICTED SECTION DESCRIPTION OF RADIO RECEIVER AND TRANSMITTER BC—474—A* General Radio Receiver and Transmitter BC-474—A (figs. 1 and 2), a component of Radio Set SCR-288, is a portable amplitude-modulated transmitter and receiver. It…Historic52 pagesComms Signal
WARNING @ HIGH VOLTAGE is used in the operation of this equipment. DEATH ON CONTACT may result if safety precautions are not observed.Historic64 pagesComms Signal
WARNING HIGH VOLTAGE is used in the operation of this equipment. DEATH ON CONTACT may result if operating personnel fail to observe safety precautions. iiiHistoric64 pagesComms Signal
TM 11-401-2 ticular importance so that the copy will be en tirely clear and readable. 1—7. Special Types Special types of still photographs—equipment, legal, panoramic, adverse light, and action—all require, special planning peculiar to…Historic241 pagesComms Signal
RESTRICTED SECTION DESCRIPTION OF RADIO RECEIVER AND LOOP ROTATORS BC-—470-D AND -F* I. General a. USE. Radio Receiver and Loop Rotators BC-470-D and are components of a portable direction finder for ground use. They use a loop antenna,…Historic66 pagesComms Signal
RESTRICTED SECTION DESCRIPTION OF RADIO RECEIVER AND TRANSMITTERS - BC-620-(*) A, -B, -F, -G, -H, AND -J 1. General a. USE. Radio Receiver and Transmitter. BC-620-(*) is designed for short-range two way voice communication. It is a low…Historic68 pagesComms Signal
RESTRICTED _ SECTION DESCRIPTION OF RADIO RECEIVER AND TRANSMITTERS BC-1000-A AND -B' General a. Usr. Radio Receiver and Transmitter BC- 1000-(*) is a low-power, portable, frequency-modu- lated (f-m) radio receiver and transmitter powered…Historic80 pagesComms Signal
Field and depot repair instructions for Radio Receivers BC-973-A and BC-973-B, covering disassembly, trouble-shooting, alignment, and testing.Historic120 pagesComms Signal
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