| Title: | The invention of the track circuit. The history of Dr. William Robinson's invention of the track circuit, the fundamental unit which made possible our present automatic block signaling and interlocking systems. |
| Author: | American Railway Association. Signal Section |
| Author: | Balliet, Herbert S. |
| Note: | Signal Section, American Railway Association, 1922 |
| Link: | page images at HathiTrust |
| No stable link: | This is an uncurated book entry from our extended bookshelves, readable online now but without a stable link here. You should not bookmark this page, but you can request that we add this book to our curated collection, which has stable links. |
| Subject: | Baldwin, William Ashbridge, 1835-1911 |
| Subject: | Railroads -- Signaling -- History |
| Subject: | Robinson, William, 1840-1921 |
| Other copies: | Look for editions of this book at your library, or elsewhere. |
Help with reading books -- Report a bad link -- Suggest a new listing
Home -- Search -- New Listings -- Authors -- Titles -- Subjects -- Serials
Books -- News -- Features -- Archives -- The Inside Story
Edited by John Mark Ockerbloom (onlinebooks@pobox.upenn.edu)
OBP copyrights and licenses.