๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Electric Lights for Lighthouses

Book ID
109397429
Publisher
Nature Publishing Group
Year
1877
Tongue
English
Weight
380 KB
Volume
16
Category
Article
ISSN
0028-0836

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๐Ÿ“œ SIMILAR VOLUMES

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The Electric Light for Lighthouses
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one foot per see(rod to one foot per minute, whereas annealing operations require several hours or days for their comt)letion. This process will be found to be peculiarly adapted to the production of steel shat'ting, piston rods, and also f()l" very light work, such as burnished steel tbr pivots tbr

Electric lights
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โœ C. ๐Ÿ“‚ Article ๐Ÿ“… 1881 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 56 KB

135 various nlakers were made, under the direction of tile Geological Survey of Pe,msylvania, in a snmll shaft furnace, in which it is claimed a heat sufiieient to melt steel was maintained. [7nfbrtunately, the experiments were too much restricted, both in time and number, to give reliable results;