Word: roadmarker
(lookup in dictionary)
(lookup stats)
Dates: all
Sort By: most recent first
(reverse)
...much as a mile ahead and moving away from him fast, he waits for the suspected speeder to flash past a clearly defined landmark, such as an intersection, streetlamp, tree or signpost. The officer then flicks on the time switch, flicks it off when his quarry passes a second roadmark. Time is thus locked into VASCAR's computer. To measure the distance between the two reference points, the patrolman flips on the distance switch when he reaches the first point, turns it off as he passes the second. Now the patrol car's odometer has fed distance into...
| 1 |