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2. List of telephone switches - Wikipedia

   en.wikipedia.org/wiki/List_of_telephone_switches

   DMS-10 RLCM (640 line remote) DMS-10 RSLE (520 line remote) DMS-10 RSLM (640 line remote) DMS-10S (super small DMS-10 for very small exchanges, less than 640 lines) DMS-10M (prepackaged DMS-10, a Community Dial Office in a pre-packaged container/"box") DMS-100 family

3. Number One Electronic Switching System - Wikipedia

   en.wikipedia.org/wiki/Number_One_Electronic...

   Type 10A Junctor Grids and 11A Trunk Grids were a box about 16x16x5 inches (40x40x12 cm) with sixteen 8x8 switches inside. Type 12A Line Grids with 2:1 LCR were only about 5 inches (12 cm) wide, with eight 4x4 Stage 0 line switches with ferrods and cutoff contacts for 32 lines, connected internally to four 4x8 Stage 1 switches connecting to B ...

4. Wootten firebox - Wikipedia

   en.wikipedia.org/wiki/Wootten_firebox

   4-6-0 camelback locomotive, complete with Wootten firebox.. The Wootten firebox is a type of firebox used on steam locomotives.The firebox was very wide to allow combustion of anthracite waste, known as "culm". [1]

5. Fire alarm call box - Wikipedia

   en.wikipedia.org/wiki/Fire_alarm_call_box

   A fire alarm box, fire alarm call box, or fire alarm pull box is a device used for notifying a fire department of a fire or a fire alarm activation. Typically installed on street corners or on the outside of commercial buildings in urban areas, they were the main means of summoning firefighters before the general availability of telephones.

6. Firebox (steam engine) - Wikipedia

   en.wikipedia.org/wiki/Firebox_(steam_engine)

   The improved combustion (which reduces carbon-soot ejection) reduced the carry over of ash and soot into the fire-tubes and smoke box, reducing the frequency of cleaning required. Soot buildup and scale buildup (on the water side) severely reduce heat transfer through the fire tubes/flues, reducing steam generation and boiler efficiency.

7. Panama to end relationship with China’s premier foreign ...

   www.aol.com/news/panama-end-relationship-china...

   Panama says it will not renew its agreement involving China’s premier foreign-investment program after Panamanian leaders met with Secretary of State Marco Rubio, marking another victory for ...