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