The line was used to test an automatic signal warning device between 1911 and 1914; its tracks were lifted in 1917 as a contribution to the war effort.
32.
Interlocking ('controlled') signals are typically absolute, while automatic signals ( i . e ., those controlled through track occupancy alone, not by a signalman ) are usually permissive.
33.
In 1911 A . R . Angus, an Australian inventor, brought two locomotives onto the lower section of the line to test and demonstrate an automatic signal warning device.
34.
The size of two 55-gallon drums, System 365 was a semi-automatic signal collection system that used 12 continuously scanning receivers and had a manual fixed-frequency coverage capability with pre-selected frequencies.
35.
But I don't see how doing so under the banner of any particular nation would assist; in fact, it might act as an automatic signal to distrust the motivations of the bearer.
36.
Vu Xuan Hong, chief of the Railway Authority office, said completion of a semi-automatic signal system between Vinh and Ho Chi Minh City, along with recent rail and locomotive upgrades, have made the reduction possible.
37.
The "'Charing Cross ( District line ) tube crash "'occurred on 17 May 1938 at about 09 : 55 hours, between signal into the rear of a District line service held at an automatic signal.
38.
To join the project, computer users can log on to setiathome . ssl . berkeley . edu and download a free screen saver that serves as an automatic signal processor whenever the computer is idle.
39.
An automatic signal repeatedly warned the pilots of a DC-9 jet that they were dangerously close to a mountain ridge before they crashed in the southern Philippines, killing all 104 people aboard, according to the cockpit recorder.
40.
Only after the submarine retuned to its base on Tuesday afternoon did the crew discover that the missile had remained inside the silo but inched a bit, triggering an erroneous automatic signal that the launch had occurred, the newspaper said.
