Occasional Electronic Publication No. 1 - Society for Industrial ...
Occasional Electronic Publication No. 1 - Society for Industrial ...
Occasional Electronic Publication No. 1 - Society for Industrial ...
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Moyer- -Murphy-Whipple<br />
Moyer, Abraham<br />
625,051 May 16, 1899 *Mud sill. Labeled “bridge.”<br />
Mullin, Thomas<br />
192,450 Jun. 26, 1877 Timber queen-post truss with vertical metal rods. Truss protected with<br />
vertical siding.<br />
Munzinger, Peter<br />
184,888 <strong>No</strong>v. 28, 1876 Connecting pins <strong>for</strong> iron-bar members of bridges.<br />
Murphy, John<br />
28,240 May 8, 1860 Detail <strong>for</strong> inserting packing between truss members. Labeled “truss<br />
bridge.”<br />
32,199 Apr. 30, 1861 Pin-connection detail <strong>for</strong> slotted eye-bars. Labeled “truss bridge.”<br />
Murphy-Whipple truss<br />
<strong>No</strong>t patented ca.1863 Common name <strong>for</strong> Murphy's improved version of Whipple's trapezoidal<br />
truss. A pin-connected version that utilized wrought iron <strong>for</strong> both tension<br />
and compression members. John Murphy was chief engineer of the<br />
Lehigh Valley Railroad.<br />
44
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