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The C-57D was recreated as a large-scale miniature kit by Polar Lights in 2001 and was labeled as being a 1:72 scale, injection-molded, all-plastic model kit, which is 28 inches (71 cm), a scale of 168 feet (51 m) in diameter; 1:72 is a standard international plastic aircraft model scale. The kit included complete "under the dome" interior crew ...
A Philadelphia rod is a level staff used in surveying. The rod is used in levelling procedures to determine elevations and is read using a level. A Philadelphia rod consists of two sliding sections graduated in hundredths of a foot. On the front of the rod the graduation increasing from zero at the bottom.
A level staff, also called levelling rod, is a graduated wooden or aluminium rod, used with a levelling instrument to determine the difference in height between points or heights of points above a vertical datum. When used for stadiametric rangefinding, the level staff is called a stadia rod.
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Texas football faced first-and-goal from Ohio State's 1-yard line with 3:54 remaining in the fourth quarter, trailing 21-14 and a chance to tie the game in the Cotton Bowl semifinal.. The ...
The Y level or wye level is the oldest and bulkiest of the older style optical instruments. A low-powered telescope is placed in a pair of clamp mounts, and the instrument then leveled using a spirit level, which is mounted parallel to the main telescope. The term dumpy level (also builder's level) endures despite the evolution in design. They ...