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  • Description: causing
(8 results)



Display: 20

    • Old Academy

    • Schools; Historic sites;
    • Located at Third and Harmony Streets facing the Green. Construction was begun on the school in 1798 to accommodate students who were causing crowded conditions in the school set up in the old Quaker Meeting House. The school was completed in 1811,...
    • Weighing, Composition House - Site

    • Ordnance industry; Sites;
    • "This frame building was both a weighing house and a composition house; the former, 1904 and after; the latter, before that date. On October 6, 1856, this building caught fire by spontaneous combustion, setting fire to the saw mill and causing...
    • Press House

    • Garages; Ordnance industry; Gunpowder;
    • "This was a press house that was built after 1834 and before 1847. Most of the information concerning this building relates to the occasions upon which it exploded, which were frequent. It had three stone walls, and a wooden front and roof. On...
    • Lucite outdoor signs

    • Use of Lucite
    • A new type of outdoor sign originally conceived by engineers of the Sun Oil Company mounted next to a conventional sign illustrates elimination of glare from projecting lamps. The new sign on the right is illuminated from within by cold cathode...
    • Building the pipeline

    • Blasting: Dynamite in Use
    • This scene shows part of the loading of large cartridges of DuPont 60% gelatin dynamite in the Susquehanna River near Marietta, Pennsylvania. The cartridges were five inches in diameter, 24 inches long and weighed 25 pounds each. The illustration...

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