Science & Math
epub, pdf |eng | 1910-03-25 | Author:Stockbridge, Horace Edward, 1857- [from old catalog]
IL. ^TN-i«,u/bLT VT^ Ctn'ranfi KINDS OF BISRRIES. sec. 3 many separate and distinct little fruits; in the case of the brambles these little fruits are drupels or drupelets. In the ...
( Category:
Engineering & Transportation
March 25,2018 )
epub, pdf |eng | 1896-03-25 | Author:Marsh, Edward A. [from old catalog]
the foregoing' machines, another form of machine has been also put in use, which embodies some of the features already noted, but which substitutes a different and improved form of ...
( Category:
Crafts, Hobbies & Home
March 25,2018 )
epub |eng | 1903-03-25 | Author:Goodrich, Ward L. [from old catalog]
subjecting it to heat enough to burn the thinner portions while tempering. When one stops to consider the air of mystery which many persons endeavor to cast around the operations ...
( Category:
Antiques & Collectibles
March 25,2018 )
epub |eng | 1922-03-25 | Author:Overton, George L
the fourth wheel, and two for the third wheel, making a total of fifteen. The acting pallet surfaces of clocks often take the form of jewels, which are also sometimes ...
( Category:
History
March 25,2018 )
epub |eng | 1862-03-25 | Author:Frodsham, Charles. [from old catalog]
ISOCHRONISM OF BALANCE-SPRINGS. employed than the cylindrical springs, while the construction of the former involves several points of great nicety in the manipulation. The proper length and strength of wire ...
( Category:
Science & Math
March 25,2018 )
epub, pdf |eng | 1904-03-25 | Author:Unknown
Watch and Clock Escapements. resistance from the hairspring. We find by analysis of our drawing that parallelism takes place about the time when the tooth has three degrees of angular ...
( Category:
Crafts, Hobbies & Home
March 25,2018 )
epub, pdf |eng | 1850-03-25 | Author:Denison, Edmund Beckett
the time that a common key takes. The watchmakers them-selves always use these pencil keys. CHRONOMETERS. 120. The perfection of all the watch escapements is that which has from its ...
( Category:
Crafts, Hobbies & Home
March 25,2018 )
epub, pdf |eng | | Author:R. H. Playtner
arrangement. Fig. 21 illustrates the action of a round ruby pin; ii is the path of the ruby pin; cc that of the acting length of the fork. It is ...
( Category:
Engineering & Transportation
March 25,2018 )
epub |eng | 1904-03-25 | Author:Hood, Grant
MODERN METHODS IN HOROLOGY. THE LEVER ESCAPEMENT. 19. An angle is measured by the number of degrees contained between the two straight lines which form it. 20. A tangent to ...
( Category:
Engineering
March 25,2018 )
epub |eng | 1883-03-25 | Author:Lockwood, Thomas Dixon, 1848- [from old catalog]
Fig. 60. In the figure line 1 is shown connected with its instruments by means of two plugs inserted between the upright bars and the discs; line 2 is similarly ...
( Category:
Engineering & Transportation
March 25,2018 )
epub |eng | 1869-03-25 | Author:Sabine, Robert. [from old catalog]
Fig. TO. magnetism in the soft-iron cores, from continued currents in one direction, should interfere with their delicacy. The currents transmitted from the station towards i* 1 , by pressing ...
( Category:
Engineering & Transportation
March 25,2018 )
epub |eng | 1913-03-25 | Author:McNicol, Donald Monroe, 1875- [from old catalog]
Fig. 203.—Binding-post connections of a Neilson single-line repeater. THE TOYE REPEATER In the Toye repeater, no extra magnets or repeating sounders are required. The main-line relay of the wire being ...
( Category:
Computers & Technology
March 25,2018 )
epub |eng | 1906-03-25 | Author:Poole, Joseph. [from old catalog]
Fig. 276 raising the resistance of the bell branches to a very high figure, such as 20,000 ohms, or more, so that the current passing through the line relay is ...
( Category:
Engineering & Transportation
March 25,2018 )
epub |eng | 1903-03-25 | Author:Abbott, Arthur Vaughan, 1854-1906. [from old catalog]
TtJLlUPHONr, SECTION 40. Material Required. Paper Sleeves, of rolled paper, 3" long, J'' diameter, boiled in paraffine, one for each wire to be spliced. Paraffine. Best quality, of Standard Oil ...
( Category:
Computers & Technology
March 25,2018 )
epub |eng | 1904-03-25 | Author:Vreeland, Frederick K[ing], 1874- [from old catalog] & Poincaré, Henri, 1854-1912
Fig. 67.—Marconi's coherer — longitudinal section. T is the glass tube, with leading-in wires terminating in the silver electrodes, E, E'. In the ppace between these are the filings. bore, ...
( Category:
Engineering & Transportation
March 25,2018 )
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