Railroad ties

✍ Scribed by C.

• Book ID: 103086679
• Publisher: Elsevier Science
• Year: 1877
• Tongue: English
• Weight: 110 KB
• Volume: 104
• Category: Article
• ISSN: 0016-0032
• DOI: 10.1016/0016-0032(77)90196-x

✦ Synopsis

The Jablochkoff Light, etc. 295 Average of 11 voyages, revolutions per minute, 52~. " Pressure of Steam in Boilers, . . 65 lbs. " Speed per hour, . 15"045 knots. " Coal per 24 hours, . . 101"932 tons. " Mean Draught of Water, . . 23 ft. 7 in. " time bet. N.Y. and Queenstown, 7 days, 21~y. To which add 18 hrs. to Liverpool, making 8 " 15~.

The changes that have taken place in 40 years, may be stated as follows : Iron substituted for wood, propeller substituted for paddlewheel. Proportion of length to beam increased from 6 to 1 in the Great Western, to 10 to 1 in the Britannic. Speed increased from 8 to 15 knots per hour; time of passage decreased from 15 to 9