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

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