Portable tie treatment plant at Chestnut, California, Southern Pacific Railroad, 1895
From: "Jim Hansen" cnw902@mt.net
If you have not seen this article it describes the 1895 portable tie [wood] treatment plant at Chestnut, California.
William G. Curtis, an SP assistant general manager and John D. Isaacs patented this operation in 1895.
The USPTO only has a one page text version of the process.
See patent 545,222.
Railroad Gazette pages 80-82 and 89, .PDF scans 92,93,94 and 101, February 8, 1895.
—Jim
posted from CPRR Discussion Group at 2:13 PM
1 Comments:
From: "Jim Hansen" cnw902@mt.net
John Dove Isaacs eventually became the SP's chief engineer. He was second assistant M/W engineer when the portable tie treatment plant was patented. Sacramento's I Street drawbridge was designed and built under his supervision. Finally, he designed the shutter trigger for the first movie camera.
—Jim
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