I - Instruments

Instruments, both electrical as ammeters, voltmeters, etc. and mechanical, clocks compasses ect.

• I-1 Compass watch type
• I-2 Voltmeter
• I-3 Voltmeter
• I-4 Ammeter
• I-5 Voltmeter
• I-6 Voltmeter
• I-7 Ammeter
• I-8 Ammeter
• I-9 Ammeter
• I-10 Voltmeter
• I-11 Ammeter
• I-12 Ammeter
• I-13 Voltmeter
• I-14 Compass
• I-15 Clock
• I-16 Indicator
• I-17 Voltmeter
• I-18 Voltmeter
• I-19 Ammeter
• I-20 Ammeter
• I-21 Voltmeter
• I-22 Ammeter
• I-23 Volt-ammeter, Part of IE-29 Small meter for battery testing; scale ranges, 0-35 amp, and 0-11 volts; with 10 in, cord.
• I-24 Compass, prismatic,
• I-25 ?
• I-26 Voltmeter
• I-27 Voltmeter
• I-28 Polarity Indicator
• I-29 Ammeter
• I-30 Watch
• I-31 Clock
• I-32 Clock
• I-33 Stop Watch
• I-34 Controller for electricly starting/stoping I-33 stopwatch
• I-35 Galvanometer
• I-36 Ohmeter
• I-37 Compass for binocular case
• I-38 Galvanometer

(NOTE 1920 storage catalog ends here)

• I-39
• I-40
• I-41
• I-42
• I-43
• I-44, type S9D2 Amperes DC 0 to 0.35 panel meter weston model 506. 2 1/2"
• I-45
• I-46
• I-47
• I-48 Part of TE-56-A For measuring resistance 0-1000 megaohms. 500 volt. Single range. “Megger”
• I-49 Part of IE-10 Portable decade type Wheatstone Bridge for use of wire chief, line repairmen and maintenance man. For maintaining open wire and field wire circuits, and short haul cable circuits in small offices only, and for location of grounds, crosses, and shorts. Cannot readily be used for open location and capacitance measurements. Requires use of 3 batteries BA-30.
• I-50 Voltammeter Part of IE-29 DC, triple range, scale ranges 0-3, 0-15, 0-150 volts and 0-3, 0-15 and 0-30 amperes.
• I-51 Test Set Part of IE-29 Cable repairman's portable tone test set, for locating shorts, grounds, crosses, split pairs and wet spots in cables. Consists of a tone supply from a spark gap induction coil. Includes an exploring coil (W.E.Co. 19C Test Set) and receiver, cord and plug all of which comprise W.E.Co. l0l9C Test Set. Has high output and therefore will introduce noise in parallel circuits. Requires 4 Batteries BA-23.
• I-52 tube tester, 1928
• I-53 Test set
• I-54, ammeter BC-148 and BC-156 ?? SCR-131
• I-55, clock, automobile type
• I-56 Test Set Part of IE-26 A universal radio test set. Consists of a group of instruments for servicing radio equipment; output meter, tube tester, meters for measuring current, voltage and resistance In various ranges, in carrying case.
• I-57
• I-58
• I-59
• I-60-T3 Visibility Meter 1938-12-27
• I-61 Test set Part of IE-10 and IE-29 Transmission measuring set; portable, dry battery operation. To measure losses or gains in circuits or apparatus, Includes 1000-cycle oscillator, receiving amplifier, rectifier and meter. Oscillator has outputs -40, -20, and 0 dbm into a 600 ohm load. Will measure power from a 600-ohm source between -50 and +15 dbm over a frequency range from 100 to 10,000 cycles. No spare tubes included, Requires 5 Batteries BA-30 and 3 Batteries BA-56.
• I-62
• I-63
• I-64
• I-65 radio compass indicator AN~ARA-1, SCR-242, SCR-263, SCR-273, SCR-280
• I-66, test set for marker beacons, 71-856
• I-67, Ohmmeter
• I-68
• I-69
• I-70 TUNING METER BC-311, BC-434 & C-4/ARN-7 AN~ARN-7
• I-71 P/O RC-40, SCR-261
• I-72 Signal generator Part of IE-9 and IE-26 Self-containing; for operating on a 105-130 volts, 60 cycle (3F3852.1) or 25 cycle (3F3852.2), single phase power Frequency range 100-32.000 kc, with provisions for 400-cycle modulation. Intended for vehicular use.
• I-73 Radio compass, indicator, SCR-276,
• I-74 tuning meter, SCR-246
• I-75 Radio compass indicator AN~ARA-1, SCR-246, SCR-263, SCR-273, SCR-280, SCR-282
• I-76 Test set Part of IE-26 Test Oscillator BC-276 with tubes and batteries, test indicator BE-67 with batteries and cords and headset HS-23. Replaces I-66. For aligning marker beacon receivers.
• I-77 Ohm/volt meter, AC/DC
• I-78
• I-79
• I-80
• I-81 Radio compass indicator AN~ARN-7, SCR-269
• I-82 Radio compass indicator AN~ARN-7, SCR-269
• I-83 Test set Part of IE-9 (alternate) Dynamotor test set; for measuring input current and voltage, output current and voltage and input and output ripple voltage of various 12 and 28 volt dynamotors and dynamotor units. Includes socket and cords.
• I-84 P/O RC-54, SCR-274
• I-85 P/O RC-55, SCR-274
• I-86 P/O IE-55
• I-87 Tuning meter, P/O SCR-293, SCR-294
• I-88
• I-89
• I-90
• I-91
• I-92
• I-93
• I-94
• I-95 Field Strength meter Part of IE-12 and IE-19 For determining relative field strength readings and a rough over-all check of transmitter operation, Tube VT-172 ( JAN-1S5) supplied separately. Requires 2 Batteries BA-5 and 1 BA-23
• I-96 Signal Generator Part of IE-12 Provides signals for testing radio receivers and measuring equipment for metering the transmitter output , Includes milliammeter. For tuning and aligning BC-684 receiver and BC-625 transmitter
• I-97 Bias Meter Part of EE-97 and EE-98 Portable field meter of the zero center type, used with Line Unit BE-77 for normal adjustment of teletypewriter circuits. Not required with BE-77-A or -B.
• I-98
• I-99 test set, P/O RC-70, SCR-270
• I-100 Compass test set. SCR-269
• I-101 Indicator for blind landing system AN~MRN-1, RC-103
• I-102 Indicator, radar altimiter
• I-103
• I-104 I-104-A combined transmitter/receiver test set SCR-274N
• I-105
• I-106 Indicator FIELD STRENGTH METER P/O IE-35, SCR-274
• I-107 Voltohmmeter Part of ME-13 Vacuum tube, dc, battery operated; ranges 0,1 to 10 megohms in 6 steps, 3 to 1000 volts full scale in 6 steps; input resistance 10 megohms on all voltage scales. Requires 5 Batteries BA-30 and 1 Battery BA-40.
• I-108 P/O RC-68, SCR-268
• I-109 BC-761 signal generator
• I-110 azimuth indicator P/O SCR-296
• I-111
• I-112
• I-113
• I-114 Test set, P/O AN~MPM-1
• I-115 Test set, P/O AN~MPM-1
• I-116
• I-117
• I-118
• I-119
• I-120 Alingment Indicator I-120-A 1943-05-05 TM 11-316
• I-121
• I-122 signal generator, P/O RC-70, SCR-270
• I-123
• I-124
• I-125
• I-126 Signal generator Part of IE- Test instrument designed to furnish a signal of desired radio frequency, used for alignment of radio receivers. Band A: 15-25 megacycles. Band B: 195-225 megacycles.
• I-127
• I-128
• I-129 Frequency meter set Part of IE-9 Consists of four absorption type wave meters contained in a steel carrying case. Frequency range l.5 to 40 mc.
• I-130 Signal Generator Part of IE-19 Portable frequency band 100-156 megacycles. Uses separate battery supply. Requires 6 Batteries BA-2 and 4 Batteries BA-23. For tuning Radio Receiver BC-624 and Radio Transmitter BC-625.
• I-131
• I-132
• I-133
• I-134 Oscilliscope, P/O RC-70, SCR-270
• I-135 Test unit Part of IE-17 Case containing multi-range meter, RE and AF oscillators, receiver, microphone, crystal tester, switches, terminals, test harness, etc. Requires one Battery BA-23 and two Batteries BA-26. SCR 536.
• I-136 signal generator AN~TRT-1
• I-137 Signal generator
• I-138
• I-139 Test set Part of IE-19 Meter contained in metal case; 0-1 ma, dc; designed for measuring current in 2 positions in Signal Generator 1-130-A, in 5 positions in Radio transmitter BC-625 and 1 position in Radio Receiver BC-624; includes cord and plug.
• I-140 Frequency meter
• I-141 Audio Oscillator 1953-05-19
• I-142 A composite measuring instrument designed for measuring the electrical characteristics of telephone equipment
• I-143
• I-144 P/O RC-70, SCR-270
• I-145
• I-146 Range Calibrator P/O RC-70, SCR-270
• I-147
• I-148 standing wave indicater,P/O RC-70, SCR-270
• I-149 Field strength meter P/O RC-70, SCR-270
• I-150 P/O RC-70, SCR-270
• I-151 Oscillator Audio oscillator with a frequency range of 20 cycles to 20.000 cycles in 3 bands. Power input 110-120VAC 60Hz P/O RC-70, SCR-270
• I-152 Indicator SCR-718 radar altimeter
• I-153 Analyzer Part of IE-9 (Alternate for I-167) Multimeter 0-6,000 volts; dc 20.000, ac and dc 1,000 ohms per volt; 7 ranges 0-60 microamp. to 12 amp.; resistance 0-60 meg; six db ranges, +12 to +70 db, and 7 output ranges. Requires 1 Battery BA-2 and 1 Battery BA-30. P/O RC-70, SCR-270
• I-154, Azmuth indicator SCR-545
• I-155 IE-35-A, test meter designed only for the T-23/ARC-5 VHF transmitter, and the AN~GRM-1, BC-950
• I-156 Calibrators BC-726-
• I-157 Tube and set tester, Precision Model 920P
• I-158
• I-159
• I-160
• I-161 P/O IE-21
• I-162
• I-163
• I-164
• I-165
• I-166 Voltohmmeter Part of IE-29, IE 53, test set I-56 Voltage ranges; ac, 0-500V; dc, 0-5, 0-15, 0-50, 0-150, 0-500, 0-1500. Resistance ranges; dc, 0-1000, 0-10,000, 0-100,000 ohms and 0-1 megohm. Measures audio frequency output voltage at 4000 ohms impedance, ranges 0-1.5, 0-5, 0-l5, 0-50, 0-150 volts; and at 300 ohms impedance, ranges 0-5, 0-15, 0-30 volts, Requires 1 Battery BA-31.
• I-167 Analyzer Part of IE-9 Meter. Voltage ranges 2,5-l000V. in five steps ac and dc; current, 100 microamperes to 10 amperes in 7 steps, dc; resistance, 3,000 ohms to 30 megohms in four steps; decibels -14 to +54. Requires 1 Battery BA-30 and 2 Batteries BA-34.
• I-168 Calibrators BC-726-
• I-169
• I-170
• I-171 (Hickok Model 560) Tube Tester Portable tube tester for small size amplifier and rectifier tubes, etc, Power required, 60 watts, 105-125volts, 50-60 cycles , ac, Replaced by I-177.
• I-172
• I-173 test oscillator for I-101 reciever
• I-174
• I-175
• I-176 Test unit Part of Test set I-56 Combined ac and dc voltammeter and ohmmeter, complete with test leads; can be used to check voltage between any two elements of a tube and current through tube when in operating circuit; ranges as follows:
• I-177 Tube Tester Part of IE-9, IE-29 or test set I-56 Portable tube tester of the dynamic or mutual transconductance type capable of operation on 110 or 220 volts, 50-60 cycles ac, Replaces I-171
• I-178 Range Calibrator
• I-179 Test set P/O RC-68, SCR-268
• I-180 tube tester, Hickock model 540. P/O RC-70, SCR-270
• I-181 Test set A portable current flow test set for use in testing and adjusting relays (and similar apparatus) in accordance with electrical requirements for performance of the relay. Provides for application of specified values of current thru the relay winding. May also be used as milliammeter in scale range 0-15, 0-75, 0-150ma.
• I-182
• I-183 Frequency meter
• I-184
• I-185 Test Oscillator
• I-186
• I-187 Synchronization unit
• I-188
• I-189 Range Calibrator
• I-190 P/O RC-68, SCR-268
• I-191
• I-192 SIGNAL GENERATOR I-192-A (audio)
• I-193 Test set Polar relay test set. For testing and adjusting W.E.Co. telegraph polar relays 255A, D-163119A and D-164618. Includes special adjusting tools for these relays. Test set also provides source of 10 or 20 cycles “open-and-closed” signals for lining up the X-61822 carrier telegraph system. Cords supplied for connecting to DC power source, or to rectifier such as RA-37 or RA-87. Power required, 10 watts, 115-130 VDC.
• I-194
• I-195
• I-196 Signal generator P/O IE-56
• I-197
• I-198, signal generator P/O RC-148
• I-199 Test Set Part of IE-9 Dynamotor test set, two-meter instrument, measures input and output voltages, current and ripple. Replaces test set I-83-A.
• I-200 P/O RC-70, SCR-270
• I-201
• I-202
• I-203
• I-204
• I-205
• I-206
• I-207
• I-208 Signal Generator Part of IE-9 Frequency ranges 1,9 to 4,5 megacycle and 19,0 to 45,0 megacycles. Frequency mod. Generator. Can be operated from l2-volt vehicular battery or from a 115-volt 60-cycle AC source. Used for calibration, sensitivity check and alignment purposes.
• I-209 Test set
• I-210 Alignment Indicator Part of ME-13 and ME-40 An electronic alignment unit, with electron ray tube VT-2l5. Optional replacement for Voltohmmeter 1-107 in Maintenance Equipment ME-13. Requires 1 Battery BA-39.
• I-211
• I-212, Radio Set SCR-682 with Synchroscope I-212 ?
• I-213
• I-214, elevation indicator, SCR-545
• I-215
• I-216
• I-217
• I-218
• I-219
• I-220
• I-221 Indicator For MK-3 IFF RC-145
• I-222 Signal Generator
• I-223 Range Calibrator
• I-224
• I-225 P/O RC-192, SCR-602
• I-226
• I-227 remote indicator P/O MK-3 IFF RC-145
• I-228
• I-229
• I-230
• I-231 power, dummy load for the transmitter used with I-232
• I-232 (TS-93AX) PROJECTOR P/O aircraft television SCR-549, SCR-550, AN~AXT-2, Ect.
• I-233 range calibrator
• I-234 Tuning indicator P/O RC-163
• I-235 Test unit, P/O AN~MPM-1
• I-236 Test Unit Part of TE-50 Neon and Mazda lamp AC and DC voltage check unit used in maintaining teletypewriter equipment, to check the continuity of circuits which may or may not contain a “voltage”.
• I-237 TV-guided-bomb test set
• I-238
• I-239, Multimeter
• I-240, Calibrator
• I-241
• I-242 test set with spare parts kit for the Canadian built SCR-602 radar.
• I-243
• I-244
• I-245 Oscilloscope
• I-246
• I-247
• I-248
• I-249
• I-250