You are here: Home > Browse the Library > Document Repository > BSP - Bell System Practices (by Doc #) > BSP Categories by later Division Number (by Doc #) > 020 - 199 Apparatus, Tools, Gauges, Test Eq, Power > 022 - 049 Divisions - Apparatus

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Folder 022 - 049 Divisions - Apparatus

Categories

Folder 024 Division - Amps, Controllers, Tubes ...

Amplifiers, Controllers, Control Units, Regulators, and Electron Tubes

Folder 026 Division - Electrical Components

Equipment Common to More Than One Type Step-By-Step and Community Dial Office

Folder 028 Division - Bells, Dials, Headsets, Sounders

Autotransformers, Bells, Buzzers, Dials, Dial Adapters and Mountings, Gongs, Head Telephone Sets, Headsets, Potentiometers, Rheostats, Ringers, and Sounders

Folder 030 Division - Call Timing & Registers

Calculagraphs, Call Timing Switch, Cameras, Clocks, Counters, Photo Processors, Registers, Selector Multiple Designation Cards, Switches, Tape Printers, Ticketers, Timers, and Time Stamp

Folder 032 Division - Capacitors, Cords, Plugs, ...

Capacitors, Connectors, Cords, Cord Reels, Diodes, Drops, Jacks, Keys, Lamps, Plugs, Resistors, Signals, Sockets, Thermistors, Transistors, and Varistors

Folder 034 Division - Distributers, Regenerators,

AMA Tape Reels and Reeler, Cleaning Cabinet, Perforators, Readers, Recorders, Recorder-Reproducers, Tape Announcing Macnine and Translators

Folder 040 Division - Relays

Relays

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