Although the mowers have proximity sensors so they can avoid large obstacles, the lawn must be cleared of objects, just as it would be for an ordinary mower, before a robotic mower begins work.
Once the field was cleared of objects, the match restarted, only for the referee to bring the game to an end three minutes later.
They give fairly clear pictures of objects down to about three feet across; roofs, fences and some trees are distinguishable, as are stretches of ground that look burned.
As long as both tube and film move in synchrony, a clear image of objects in the focal plane can be produced.
The projected image has to be bright to your eye, requiring frostiness, but also let the cameras have a clear picture of objects touching it, which requires transparency.
The priest, the Rev. Kazimierz Kowalski of the Roman Catholic Church of Our Lady of Good Counsel on East 90th Street in Manhattan, stepped over rocks into a small clearing away from the shaft to be clear of falling objects.
By John McNulty and Harold Ross The New Yorker, June 4 , 1938P. 11 Talk story about Tom Dorgan who pilots the reservoir rowboat & keeps the reservoir clear of extraneous objects, and about the reservoir walkers, George M. Cohan, Bert Lytell, and Bugs Baer, called the Three Muskateers.
Talk story about Tom Dorgan who pilots the reservoir rowboat & keeps the reservoir clear of extraneous objects, and about the reservoir walkers, George M. Cohan, Bert Lytell, and Bugs Baer, called the Three Muskateers.
