An edition of Sound Ranging Set GR-3-C (1943)

Sound Ranging Set GR-3-C

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May 21, 2020 | History
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An edition of Sound Ranging Set GR-3-C (1943)

Sound Ranging Set GR-3-C

by

  • 0 Ratings
  • 0 Want to read
  • 0 Currently reading
  • 0 Have read

TM 11-444 Sound Ranging Set GR-3-C, 1943-06-12

Publish Date
Publisher
U.S. G.P.O.
Language
English

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Edition Availability
Cover of: Sound Ranging Set GR-3-C
Sound Ranging Set GR-3-C
1943, U.S. G.P.O.
in English
Libraries near you: WorldCat

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Book Details

Table of Contents

CONTENTS
SECTION Paragraph
I. DESCRIPTION
Use and characteristics 1
Major components 2
Packing of major components 3
Description of central station equipment 4
Description of microphone equipment 5
Description of outpost equipment 6
II. INSTALLATION AND OPERATION
Initial procedure 7
Installation 8
Cords 9
Batteries 10
Fuses, vacuum tubes, and lamps 11
Switchboard BD-62-(#) 12
Control Board BD-85-(*) 13
Oscillograph Equipment IE-14-(*) 14
Relay Unit BK-9-(#) 15
Protector AR-8 16
Microphone equipment 17
Outpost equipment 18
Preliminary over-all tests 19
Operation 20
III. FUNCTIONING OF PARTS
Switchboard BD-62-(#) 21
Control Board BD-85-(*) 22
Relay Unit BK-9-(*) 23
Oscillograph Equipment IE-14-(*) 24
Oscillograph Unit M-166-A 25
Microphone T-21-(#) 26
Protector AR-8 27
Cord CD-2 50-A 28
Outpost equipment 29
IV. MAINTENANCE
General 30
Care and cleaning 31
Circuits 32
Relays 33
Microphone T-21-(#) 34
Control Board BD-85-(*) 35
Relay Unit BK-9-(*) 36
Switchboard BD-62-(#) 37
V. SUPPLEMENTARY DATA
List of replaceable parts 38
Parts list 39
Index of manufacturers 40
This Tecnhical manual supersedes TM 11-444 dated 25 January, 1943.
ILLUSTRATIONS
Figure Page
1 Sound Ranging Set GR-3-C, recording equipment assembly 4
2 Oscillograph Equipment IE-14-( *), top view with covers removed 6
3 Oscillograph Equipment IE-14-(*), side view with covers removed 8
4 Galvanometer magnet assembly, Cord CD-475, and Oscillograph Unit M-166-A 10
5 Chest CH-40-(*), showing pistonphone and 5 Microphones T-21-(*) 12
6 Chests CH-44-(*), CH-45-(*), CH-46-(*), CH-47-(*), CH-48-(*), and Cover BG-74 14
7 Protector AR-8 (disassembled) and Cord CD-2 50-A 16
8 Microphone T-21-(*) and Insulating Bag BG-97 18
9 Microphone Shelter BE-66-A 18
10 Outpost equipment — Outpost Unit BE-51, Outpost Connecting Box BE-71, and Telephone EE-8-(#) 20
11 Outpost wiring diagram 32
12 Switchoard BD-62-(*), rear view 36
13 Switchboard BD-62-(#), circuit diagram 38
14 Control Board BD-85-(*) (rear view) and Relay Unit BK-9-(#) 40
15 Control Board BD-85-(*), circuit diagram 42
16 Relay Unit BK-9-(*), circuit diagram 43
17 Oscillograph Equipment IE-l4-(*), circuit diagram 44
18 Microphone T-21-(*), disassembled 46
19 Microphone T-21-(*), circuit diagram 48
SAFETY NOTICE
THIS EQUIPMENT USES VOLTAGES HIGH ENOUGH TO BE DANGEROUS TO HUMAN LIFE. DON'T ATTEMPT ANY REPAIR OR ADJUSTMENT WITHIN THE EQUIPMENT WHILE THE CURRENT IS ON. DON'T UNDERTAKE THE REPAIR OF THIS EQUIPMENT OR ITS ASSOCIATED COMPONENTS UNLESS YOU ARE AUTHORIZED TO DO SO.

Edition Notes

Published in
Washington, D.C., USA

ID Numbers

Open Library
OL25935439M
Internet Archive
TM11-444
OCLC/WorldCat
694856182

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Download catalog record: RDF / JSON / OPDS | Wikipedia citation
May 21, 2020 Edited by CoverBot Added new cover
July 24, 2016 Edited by ww2archive added toc
July 23, 2016 Edited by ww2archive added book
July 23, 2016 Created by ww2archive Added new book.