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Since 07 Jan 2001




June 2001- U.S. & S. Co. Installation and Adjustment of Style "DW" Automatic Flagman

Pamphlet U-5004 (August 1931), a short 6 page manual with some hard to find information on the DW Flagmen download. We thank Julie Johnson for making this material available.

NOTE: Mac users can hold down the option-key to download the file directly to their hard drives, bypassing the Acrobat reader plug-in, if installed; Windows users can use the alt-key to do the same.

Adobe Acrobat Reader (a free download from Adobe) is required to view the document.



May 2001- G.R.S. Co. Model 2A Signal Handbook

Booklet 1003A (December 1918, reprinted August 1950), covers most of the technical information on 2A signals that you could ever want. This 72 page PDF file is available for download. We thank Kevin Kohls for making this material available.



May 2001- American Railway Signaling Principles and Practices

Chapter XII-Semaphore Signals (revised August 1948) is an excellent primer on the common types of semaphores, their mechanical operation and associated wiring diagrams. Additional helpful information, such as the exact dimensions for wooden semaphore blades, is also contained within. This 46 page handbook (.pdf) is available for download. We thank both David Bimfad and Oscar Manheimerstein for making this material available.



May 2001- U.S. & S. Co. Style T2 Maintenance Manual

Pamphlet U-5008 (April 1928), the maintenance of Style ''T-2'' D.C. Signals in Adobe Portable Document Format (.pdf) is available for download. We thank Ronald Koger for making this material available.



April 2001- U.S. & S. Co. Style S Maintenance Manual

Pamphlet U-5019 (June 1944), the maintenance of Style ''S'' A.C. and D.C. Signals in Adobe Portable Document Format (.pdf) is available for download. We thank Kevin Kohls for making this material available to all who share an interest in it.



January 2001- U.S. & S. Co. Style B Maintenance Manual

The Maintenance of Style ''B'' A.C. and D.C. Signals in Adobe Portable Document Format (.pdf) is available for download. We would all like to thank Paul Nelson for making this document available. May 2001-For the purists out there, here you can find the unmodified instruction pamphlet U-5013 for the maintenance of style "B" A.C. and D.C signals.


US & S Installation and Adjustment of Style "DW" Automatic Flagman (548K)

GRS Co Model 2A Signal Handbook (3,567K)

A.A.R. Chapter XII-Semaphore Signals (3,378K)

US & S Style T2 Maintenance Manual (942K)

US & S Style S Maintenance Manual (3,154K)

US & S Style B Maintenance Manual (1,723K-graphically modified)
US & S Style B Maintenance Manual (1,208K-unmodified)




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