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

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ACCESSORIES for 16" Walcott lathe E-1780: Steady Rest Face Plate, 16" Carrier Plate Independent Chuck, 8” Independent Chuck, 15” Countershaft Face Plate, special, 14" (section 48) Use E-1780-1 through E-1780-7 (originals). no. Moved section 49 between 1914 and 1920 (1920 Appraisal no. 1-14; figures 102, 103, 104, and 107. 292 . Leave EDIS 643/E-1774 in place (suspended from trolley, E-1773). CHAIN HOIST, Yale & Towne, 1-1/2 ton (section 48) Installed with track and trolley after April 1914. Purchased from Prentiss Tool & Supply Co. SHAPER, 12" stroke; by Medey Machine Co., Cincinnati, OH (section 48) 1920 Appraisal no. 1- 42), moved from section 53. Removed between 1920 and 1939. ENGINE LATHE, 20" swing, 7’ bed, friction head, four-way tool post; Fay Scott (section 48) 1913 Inventory no. (section 48) Located section 1914 (figure 104). 13) Leave EDIS 217/E-1780 in place replacement for 16 in. ENGINE LATHE, 16" swing, 6’ bed, double back gear, quick-change gears, compound rest; Walcott Lathe Co. Replace belts needed. Use EDIS 217/E-1780 (16" Walcott lathe) as replacement. 102; 1920 Appraisal no. Frasse Co. Removed between 1920 and 1939. Installed between 1920 and 1939 in position 16" LeBlond (NY Appraisal Co. Removed between 1920 and 1939. Acquire and install section 48. Replaced block and tackle shown figure 105. 1-13; figures 102, 103, 104, and 105., NY. Leave EDIS 216/E-1779 (21" LeBlond lathe) place until suitable replacement for Fay & Scott acquired.TROLLEY and TRACK Louden (above Fifield engine lathe; sections 48-51) Installed after April 1914. ENGINE LATHE, 16" swing, 6’ bed; LeBlond Machine Tool Co. 1-25). Replaced Walcott lathe, NPS 217. Leave E-1773 (trolley), track, and hoist place. Replace belts needed. Differences between the two machines are minor. Replaced 21" LeBlond lathe (1920 Appraisal no. LeBlond., Jackson, MI (section 48) Purchased from Peter A. Replaced block and tackle shown figure 105