EDISON LABORATORY Edison National Historic Site West Orange, New Jersey Volume 1

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The lower plank sections, about four feet tall, may have been reused parts barrier that originally surrounded the steam engine pit (see figure 99). The divider and shelves that were attached it are shown the perspective drawing the main shop that accompanies this report but the furnishings plan does not recommend that replicated. The foreman’s desk, which appears 1914 photos, now stored the second floor. Fortunately, Edison Company employees working the late 1930s, assigned numbers and typed E-cards for these accessories well for the machines. The original this photograph has not been located. That collection has since been moved General Electric’s Hall History Schenectady, New York, and the image was lost along the way. Eleven machines were removed between 1920 and 1939: three engine lathes, a speed lathe, precision bench lathe, three drill presses, shaper, and punch press. Machine tool accessories are more problem. was the General Electric archives Nela Park, Cleveland, OH. This partition not indicated the 1916 floor plan, although may have been too insignificant to note. 271 . Therefore, the assumption this plan that accessory was associated with a particular machine 1939, was probably there 1914, even not visible the photographs. The shop’s brick walls received their first coat paint whitewash sometime between 1890 and 1906, but the columns, crane beams, and other woodwork remain unpainted the April 1914 photographs. Two 1914 photographs, figures 108 and 109, show low wood and wire-cloth partition, running between columns the northeast end the shop. Four lathes, a keysetting machine, and two grinders were added during this period. clearly gone 1929.638 638 James Cox, Century ofLight (NY: The Benjamin Company, 1979) 58.around the shop accommodate different jobs, yet most survive. The paint looks sufficiently dingy have been there for while, but no visual documentary evidence has been found indicate when the columns were first painted, other than sometime between 1914 and 1929. published photo the north side the shop, reportedly taken 1929, shows the existing white and gray color scheme. very large Lucas No. Surviving 1906 and 1914 images show faceplates, chucks, steady rests, indexing heads, and change gears next or under almost every machine. horizontal boring mill was installed the east end the central aisle sometime between 1920 and 1939, but had been removed 1942. Many these items are machine specific; they are not interchangeable with anything other than the same model machine the same manufacturer. One drill press was replaced different model. Smaller accessories are lost the general clutter