The wonders of modern mechanism. A résumé of recent progress in mechanical, physical, and engineering science (1896)
Cochrane, Charles Henry, 1856- · Philadelphia J.B. Lippincott · leaf 223
leted the present year, and it is too early to say muchabout its success, but the management say that it is entirelysatisfactory. They make use of a central conduit and slot,which is set on chairs of cast iron at distances of three 214 WONDERS OF MODERN MECHANISM. feet, the whole resting in a bed… … THE BLACKPOOL CONDUIT. on insulators to carry the current. The pressure is threehundred volts, the figure to which European lines areusually restricted, though that used on trolley lines in theUnited States is almost universally five hundred volts. Another conduit road is being built in…
Inventions · Mechanical engineering · Machinery
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