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For the photography of nebulæ and the study of the fainter stars, the reflector has special advantages, illustrated by the work of such instruments as the Crossley and Mills reflectors of the Lick Observatory; the great 72-inch reflector, recently brought into effective service at the Dominion Observatory in Canada; and the 60-inch and 100-inch reflectors of the Mount Wilson Observatory.
The first four engines, which had hauled the train as far as Erie, were of what is known as the American type eight-wheelers, comparatively light, but built for fast speeds. These locomotives weighed only 52 tons, with 17 by 24-inch cylinders and 72-inch driving-wheels.
The quality of this table should be at least equal to the best we have to show. Whether it shall be squared, or oblong with oval ends, depends upon tastes; by all means it should be get-at-able. That's what a library table is for. Good designs in "arts and crafts" may be had as low as $16.50 in a small size; 72-inch, about $50. Golden oak costs less, mahogany considerably more.
Since then all of the cars have had shaft drives. "Model A" had a 72-inch wheel base. Model "B," which was an extremely good car, had 92 inches. "Model K" had 120 inches. "Model C" had 78 inches. The others had 84 inches, and the present car has 100 inches. In the first five models all of the equipment was extra. The next three were sold with a partial equipment.
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