๐”– Bobbio Scriptorium
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Boston elevated railway


Book ID
104118139
Publisher
Elsevier Science
Year
1912
Tongue
English
Weight
65 KB
Volume
174
Category
Article
ISSN
0016-0032

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๐Ÿ“œ SIMILAR VOLUMES


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๐Ÿ“‚ Article ๐Ÿ“… 1922 ๐Ÿ› American Association for the Advancement of Scienc ๐ŸŒ English โš– 368 KB
Boston's street railways
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๐Ÿ“‚ Article ๐Ÿ“… 1886 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 107 KB

The wheel and spindle are turned by the revolutions of a second spindle placed at right angles with the first, carrying a worm or endless screw, the threads of which mesh with the teeth of the wheel. The second spindle carries also a series of fans, arranged like the blades of a screw propeller, or