Two such gates are in operation in California, one of which swings in a horizontal plane and the other vertical. In comparing the manual with the automatic gate, each has its advantages. In the case of a manual gate, the operator can open andanbsp;...
Title | : | Report of the Grade Crossing Situation of Public Streets, Roads and Highways with Steam and Electric Interurban Railroads in the State of California |
Author | : | Joseph Greenwood Hunter, Stewart Mitchell |
Publisher | : | - 1933 |
You must register with us as either a Registered User before you can Download this Book. You'll be greeted by a simple sign-up page.
Once you have finished the sign-up process, you will be redirected to your download Book page.
How it works: