Bridge Inspector's Manual for Movable Bridges
Using the block control method, the four operating steps of control to open the bridge span will now be discussed. ... The traffic light controller must be connected electrically to the operatora#39;s switch so that when the bridge tender operates the warning light switch, a switch contact ... 6-2 shows the traffic control block diagram.
| Title | : | Bridge Inspector's Manual for Movable Bridges |
| Author | : | |
| Publisher | : | - 1977 |
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:- 1. Register a free 1 month Trial Account.
- 2. Download as many books as you like (Personal use)
- 3. Cancel the membership at any time if not satisfied.
