Dredges were brought in to mine gold-bearing deposits in the Fairbanks mining district after 1920. This bucket-line or ladder dredge has 68 buckets, each with a capacity of 6 cubit feet. The bucket line was driven by a 150 horsepower motor that . . . — — Map (db m144242) HM
Mechanical Engineering Landmark
Wind-Powered Archimedes Screw-Pump
This late example of the wind-driven Archimedes screw-pump shifted brine from on salt concentrating pond to one . . . — — Map (db m71365) HM
Knight Foundry was established in 1873 to supply heavy equipment and repair facilities to the gold mines and timber industry of the Mother Lode. Samuel N. Knight developed a high speed, cast iron water wheel which was a forerunner of the Pelton . . . — — Map (db m100590) HM
The increased light-grasp of this telescope made possible many notable advances in structural cosmology between 1924 and 1930. They have revised our ideas about the universe in which we live.
One of these advances was that spiral nebulae are . . . — — Map (db m200931) HM
Voyagers 1 and 2 were launchd in 1977 to meet a solar-system alignment that occurs only once every 176 years. Both spacecraft sent back valuable pictures and information of Jupiter and Saturn and their satellites. Voyager 2 sailed on to explore . . . — — Map (db m189649) HM
The North Star Powerhouse, built by A.D. Foote in 1895, was the first complete water powered compressed air transmission plant of its kind. Compressed air, generated by Pelton Water Wheels, furnished power for the entire mine operation. The 30 foot . . . — — Map (db m44348) HM
Disney engineers designed this monorail system, based on the system developed by Axel L. Wenner-Gren (ALWEG). Built at the Walt Disney Studios, the system is intended to apply to urban transit. Opened in 1959, it has been in daily passenger . . . — — Map (db m155278) HM
[ Main Marker: ]
International Business Machines : RAMAC
In 1952, IBM sent Reynold Johnson to San Josι to open its first West Coast development laboratory to research new data storage methods. At this site in 1955, IBM unveiled . . . — — Map (db m30095) HM
From 1906 until 1946 this was the Joshua Hendy Iron Works. The works exemplifies the adaptability required for survival in a dynamic
technological society. It was a major western producer of meghanical equipment
used in mining, ship propulsion, . . . — — Map (db m154957) HM
Heisler Locomotive, built by Stearns Manufacturing Company, 1899.
Shay Locomotive, built by Lima Locomotive Works, 1912.
Climax Locomotive, built by Climax Manufacturing Company, 1928.
The Shay locomotive, patented in 1881, and its two . . . — — Map (db m190694) HM
United States Railroad Administration Locomotive
Atlantic Coast Line Class P-5-A 4-6-2 No. 1504
During the World-War I emergency, American Railroads were placed under the control of the United States Railroad Administration (USRA) . . . — — Map (db m152610) HM
Mechanical Engineering Landmark
United States Railroad Administration Locomotive
Atlantic Coast Line Class P-5a 4-6-2 No. 1504 1919
During the World-War I emergency, American railroads were placed under the control . . . — — Map (db m59100) HM
Meinrad Rumely was the founder and guiding spirit of the Rumely Companies for more than 50 years. He came to America from Germany in 1848, and in 1853 on this site opened a blacksmith shop that was to grow into a large . . . — — Map (db m43463) HM
Nassawango is structurally typical of its period while distinctive in several ways: it smelted bog ore; it is principally of brick rather than stone; and of greatest significance, it probably is the earliest surviving American furnace that employed . . . — — Map (db m42635) HM
The Springfield Armory (1794 1968) was the first National Armory in the United States.
It was an outstanding, innovative center for the design and production of military small arms.
Among its notable achievements are the Blanchard Lathe . . . — — Map (db m110888) HM
The Cairo is the sole survivor of the fleet of river gunboats built by the Union during the Civil War with the object of controlling the lower Mississippi River. Designed by Samuel Pook and built by James B. Eads, the 175-foot ironclad . . . — — Map (db m35953) HM
The Cairo is the sole survivor of the fleet of river gunboats built by the Union during the Civil War with the object of controlling the lower Mississippi River. Designed by Samuel Pook and built by James B. Eads, the 175-foot ironclad vessel . . . — — Map (db m109469) HM
This farm established by Walthus L. Watkins, centered around his woolen factory built 1860-1861. It operated for 40 years with mass production machines. This farm (Bethany) also boasted a grist mill, flour mill and saw mill, church and octagonal . . . — — Map (db m46134) HM
Alexander Hamilton, with great vision, prompted the incorporation of the "society for establishing usefull [sic] manufactures" in 1791 to start America's economic and industrial independence. Pierre Charles L'Enfant, engineer and planner of the . . . — — Map (db m64189) HM
Ringwood Manor Iron Complex (1740-1931) was an important element in the early development of the iron industry in the United States. Among its leaders were the Ogdens, Peter Hasenclever, Robert Erskine – F.R.S., Martin Ryerson, Peter Cooper, . . . — — Map (db m40551) HM
The first long mechanically ventilated underwater tunnel in the world designed for motor vehicle use
The 29.5 ft. diameter 3,500 ft. long twin tubes of this tunnel were shield driven by the pneumatic method through extremely difficult river . . . — — Map (db m145029) HM
This 37-stall roundhouse and 100-foot turntable built by the Southern Railway are among the few survivors of a distinctive type of locomotive repair facility that was once common across North America. The radial track and turntable arrangement was . . . — — Map (db m104588) HM
This is one of several, similar inclines built in western Pennsylvania during the late nineteenth century. It was designed by Samuel Diescher (1839-1915) after the great flood of 1889, to provide an efficient means of transportation between . . . — — Map (db m76884) HM
National Historic Mechanical Engineering Landmark Saturn V Rocket 1967-1973 The largest rocket built at the time of the historic first missions to the Moon, the Saturn V carried aloft the 45-ton Apollo spacecraft on Earth orbital and lunar . . . — — Map (db m163135) HM
Last steam engine-driven battleship Four cylinder triple expansion steam engines Largest afloat (27,000 h.p.) at commissioning (1914) Newport News Shipbuilding & Drydock Co.
U.S. Navy Bureau of Ships
The American Society of Mechanical . . . — — Map (db m36228) HM
This is the earliest known survivor of an integrated cotton ginning system widely used to process cotton from wagon to bale in a continuous operation. The gin machinery was designed and built in 1914 by the Lummus Cotton Gin Company and can . . . — — Map (db m111947) HM
The American Precision Museum
The museum contains the largest collection of historically significant machine tools in the nation, tracing their evolutionary development from the earliest period. Metal-cutting machine tools bring . . . — — Map (db m180355) HM
Where interchangeable manufacturing became a reality
In fulfilling a contract for 25,000 U.S. Army rifles (Model 1841) and a like quantity for the British government, Robbins & Lawrence was the first to achieve interchangeability of parts on a . . . — — Map (db m180352) HM
Warren S. Johnson (1847-1911) built and patented the first multi-zone temperature control system that could be economically manufactured, installed and maintained. The Johnson Controls pneumatic temperature control system, represented by artifacts . . . — — Map (db m38669) HM
This facility, formerly known as the Oneida Street Power Plant, served from 1918-1920 as the pilot plant in the United States for the development and use of finely-pulverized-coal firing in the boilers of steam-electric power plants. The results of . . . — — Map (db m93662) HM
In this station pulverized coal was first successfully burned continuously and at high efficiencies in furnaces of stationary steam boilers November 11-15, 1919. This radical departure from conventional firing methods of the period was vigorously . . . — — Map (db m80527) HM
This pump, designed by Edwin Reynolds (1831-1909) and built by the Edward P. Allis Company, is the major component of one of the earliest water-pollution control systems. It was capable of pumping more than a half billion gallons of water a day, the . . . — — Map (db m56904) HM
On this site November 25, 1882 the Appleton Edison Light Co. began operating the first Edison Hydroelectric System in America.
Plaque donated to Outagamie County Historical Society by the family of Harold F. Parish November, 1979 — — Map (db m20865) HM
The Port Washington Power Plant of the Wisconsin Electric Power Company was the most thermally-efficient steam power plant in the world for many years following its opening in 1935. Its design reflected the cumulative experience of the utility's . . . — — Map (db m129369) HM