BD - Boards

BD / Board List

boards can be power switchboards or telephone switchboards.

• BD-1 Powerboard, fiber panal with Voltmeter, I-13, SW-21, DM-2, P/O SCR-67
• BD-2 Panel, transmitting for SCR-51
• BD-3 Panal, Charging, 3-circut, SCR-66
• BD-4 Panal, Charging, SCR-82, SCR-123
• BD-5 Panal, Charging, 3-circut, SCR-82,
• BD-6 Panal, Charging, 2-circut, SCR-82-B
• BD-7 Panel, Charging, power, P/O SCR-88, SCR-120
• BD-8 Panel, Charging, P/O SCR-110
• BD-9 monocord, Telephone, 4-line. case CS-5, frame FM-1, EE-2
• BD-10 monocord, Telephone, 8-line, Case CS-6, frame FM-2, EE-2
• BD-11 monocord, Telephone, 12-line, Case CS-7, frame FM-3, EE-2
• BD-12 Panel, Charging,
• BD-13 Telephone, 100-line, floor type
• BD-14 Telephone, camp, 40-line
• BD-15 Time Interval, slate slab, 20- DPST Knife switches
• BD-16 Panel, Charging,
• BD-17 Power switchboard, for fire control room,
• BD-18 Panel, Auxillery terminal, used with BD-14
• BD-19 Panel, cut-out, Type-B, multipolar knife switches
• BD-20 Panel, Cut-out, type-E,
• BD-21 Panel, Cut-out, type-A,
• BD-22 Panel, Cut out?
• BD-23 Radios opperators in 1-KW station, slate panal, W/ voltmeter, Amp meter,
• BD-24 Power, 3-KW station, slate base, Knife switches
• BD-25 Power, 3-KW station, slate base, knife switches
• BD-26 Power, 3-KW station, slate base, knife switches
• BD-27 Buzzer, wooden box, BA-11, or BA-15, batteries. 14" x 9" x 9 3/4" drop front.
• BD-28 Power, telegraph power switchboard.
• BD-29 Telephone power, slate base,
• BD-30 ?
• BD-31 Panel, Cut-out, Type-C,
• BD-32 Panel, Cut-out, Type-D,
• BD-33 Panal Charging,
• BD-34 Telephone switchboard, 40-line camp,
• BD-35 ?
• BD-36 ?
• BD-37 ?
• BD-38 ?
• BD-39 ?
• BD-40 ?
• BD-41 P/O SCR-134 dynamotor type
• BD-42 ?
• BD-43 Dynamotor type DM-14
• BD-44 Power P/O SCR-132
• BD-45 ?
• BD-46 Dynamotor type, DM-1
• BD-47 switchboard, flash ranging (1924)
• BD-48 Power,
• BD-49 camp and field use, 1928, spec-71-342A
• BD-50 Switchboard telegraph 4-line
• BD-51 Switchboard telegraph 8-line
• BD-52 Switchboard telegraph 8-line
• BD-53 Switchboard telegraph 20-line
• BD-54 ?
• BD-55 field, multiple, 1927, spec-71-340
• BD-56 ?
• BD-57 Switchboard code practice P/O EE-81, TG-10
• BD-58 ?
• BD-59
• BD-60
• BD-61
• BD-62 Switchboard for GR-3 sound ranging
• BD-63 ?
• BD-64 ?
• BD-65 ?
• BD-66 ?
• BD-67 ?
• BD-68 ?
• BD-69 Dynamotor, P/O SCR-177, SCR-188, (SCR-180)
• BD-70 BD-70-T1, Telephone, field, 6-line, GR-4 Flash ranging
• BD-71 Telephone, field, 6-line
• BD-72 Telephone, field, 12-line
• BD-73 ?
• BD-74 Fire Control Communication Switchboard, Combinations A-F
• BD-75 ?
• BD-76 Switchboard
• BD-77 Dynomotor, 14 volt in. P/O BC-191
• BD-78 Switchboard
• BD-79
• BD-80 BD-80-T1, switchboard TC-1
• BD-81 Dynamotor SCR-183
• BD-82 Switchboard (1933)
• BD-83 Dynamotor P/O SCR-183
• BD-84 ?
• BD-85 control board for GR-3 sound ranging
• BD-86 Dynamotor, P/O SCR-238, for BC-307-A transmitter
• BD-87 Dynamotor
• BD-88 ?
• BD-89 TC-2,
• BD-90 TC-1, TC-10
• BD-91 TC-12,
• BD-92
• BD-93 Dynamotor SCR-283
• BD-94 Dynamotor for BC-224-A receiver
• BD-95
• BD-96 TC-4
• BD-97 TC-4
• BD-98
• BD-99 power panel for SCR-271
• BD-100 Switchboard
• BD-101 test board for central office
• BD-102 Distribution panal P/O SCR-561
• BD-103 ?
• BD-104 ?
• BD-105
• BD-106 Switchboard, P/O SCR-296
• BD-107 ?
• BD-108 power controll panal P/O SCR-296
• BD-109 Resistor panel (test equipment for SCR-270)
• BD-110 TC-10
• BD-111 Power panel for SCR-270
• BD-112 P/O SCR-582
• BD-113 ?
• BD-114 Switchboard, code practice, P/O EE-94
• BD-115 ?
• BD-116 P/O SCR-627
• BD-117 P/O SCR-627
• BD-118 ?
• BD-119
• BD-120 Switchboard TC-20
• BD-121
• BD-122 SCR-602
• BD-123 P/O SCR-682
• BD-124 P/O SCR-682
• BD-125 power panel P/O SCR-545
• BD-126 P/O SCR-627
• BD-127
• BD-128
• BD-129
• BD-130
• BD-132
• BD-132 power panel TC-20
• BD-133
• BD-134
• BD-135
• BD-136
• BD-137 P/O SCR-627
• BD-138
• BD-139
• BD-140