Pennsylvania, Bucks County, Morrisville
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Shipbuilder's tools in the 16th and 17th Century were primitive but generally efficient. Shipbuilding was big business with an estimated 300 sailing ships built at the Port of Philadelphia between 1670 and 1710.
(Colonial Era • Man-Made Features • Settlements & Settlers • Waterways & Vessels) Includes location, directions, 2 photos, GPS coordinates, map.
Through the efforts of General Dodge, as Chief Engineer of the Union Pacific Railroad, and the foresight of Abraham Lincoln, Council Bluffs became the hub of the first Transcontinental Railroad.
In his declaration of war on April 15, 1861, President Lincoln made an urgent request:
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In the months before Dec 7th, many of these steel pillboxes were planted to defend military installations, airfields, and likely landing beaches around Oahu. Once buried in position, the 2-man crew entered through culvert pipe openings at the base to operate light machine guns housed in the revolving turret.
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Operated by a crew of three protected by only 1/2 inch of armor and equipped with one 37mm gun and two 7.7mm machine guns. It was powered by a 6-cylinder, 110 H.P. air-cooled diesel engine with a range of 90-100 miles at speeds up to 30 MPH.
Used for scouting and reconnaissance in the late days of WWII. It mounted a 75mm main gun and three machine guns behind 1" of armor. Two Cadillac V-8 engines drove the 19 ton tank and its crew of four at speeds up to 35 MPH.
John Tryon was a Lewiston Abolitionist, elder of First Presbyterian Church and a conductor of the Underground Railroad. He helped countless runaway slaves attain their freedom across the Niagara River from a house known as "Tryon's Folly." 
With the emergence of airborne troops in 1941 came the need for an airborne howitzer. The M3 was created by shortening an existing 105mm howitzer barrel and mounting it on a modified 75mm carriage. The lightweight M3 proved to be an effective weapon within its limited range of 8295 yards.
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A light-weight mobile piece used by independent antitank and armored units. Its 3 lb. shell could penetrate 3 inches of armor at 500 yards.
This cannon was one of a battery of twelve guns placed on punchbowl crater by the Hawaiian monarchy beginning in 1831. Both to defend Honolulu Harbor and to fire salutes. The U.S. Army moved the cannon to Bishop Museum in 1920, where it remained until 1988 when the Army moved it again to this site.
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