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  2. Pennsylvania State Police - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_State_Police

    The Pennsylvania State Police is a full service law enforcement agency which handles both traffic and criminal law enforcement. The Pennsylvania State Police was founded in 1905 by order of Governor Samuel Pennypacker , by signing Senate Bill 278 on May 2, 1905.

  3. Gas lighting - Wikipedia

    en.wikipedia.org/wiki/Gas_lighting

    Gas lighting in the historical center of Wrocław, Poland, is manually turned off and on daily.. Gas lighting is the production of artificial light from combustion of a fuel gas such as methane, propane, butane, acetylene, ethylene, hydrogen, carbon monoxide, coal gas (town gas) or natural gas.

  4. History of street lighting in the United States - Wikipedia

    en.wikipedia.org/wiki/History_of_street_lighting...

    [1] [5] The first US city to use gas street lights was Baltimore, starting in 1817. [4] In 1816, artist Rembrandt Peale had demonstrated the use of gas lamps to light exhibits at the Peale Museum in Baltimore, displaying what The Federal Gazette and Daily Advertiser called "the beautiful and most brilliant light". [4]

  5. Street light - Wikipedia

    en.wikipedia.org/wiki/Street_light

    In 1798, he used gas to light the main building of the Soho Foundry and in 1802 lit the outside in a public display of gas lighting, the lights astonishing the local population. Streetlights from an 1871 catalog. The first public street lighting with gas was demonstrated in Pall Mall, London on 4 June 1807 by Frederick Albert Winsor. [16]

  6. History of traffic lights - Wikipedia

    en.wikipedia.org/wiki/History_of_traffic_lights

    The gas lantern was manually turned by a traffic police officer with a lever at its base so that the appropriate light faced traffic. [7] The signal was 22 feet (6.7 m) high. The light was called the semaphore and had arms that would extend horizontally that commanded drivers to "Stop" and then the arms would lower to a 45 degrees angle to tell ...

  7. Emergency vehicle lighting - Wikipedia

    en.wikipedia.org/wiki/Emergency_vehicle_lighting

    Only police, sheriff, coroner, or fire police vehicle may use a combination of red and blue warning lights. ie: Pennsylvania State Police, municipal police, county detectives (DA Office), sheriff, railroad police, college police, humane or SPCA police, hospital police, bridge police, transit police, State constables, etc.

  8. Hiring difficulties, trooper cap hamstringing state police

    www.aol.com/hiring-difficulties-trooper-cap...

    As of January, the filled enlisted complement of the Pennsylvania State Police, or PSP, was 4,634. Paris explained some of the positions included within the agency’s current overall 4,841 ...

  9. State police (United States) - Wikipedia

    en.wikipedia.org/wiki/State_police_(United_States)

    ] WVSP is the 4th oldest State Police agency in the United States of America. Governor John Jacob Cornwell was insistent upon having a State Police force which he said, "was mandatory in order for him to uphold the laws of our state." Part of the compromise was the name of the organization: "West Virginia Department of Public Safety" was the ...