id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
33912	Vogel, Robert M.	The Engineering Contributions of Wendel Bollman			.txt	text/plain	9264	771	72	_Wendel Bollman, self-taught Baltimore civil engineer, was the Bollman's bridge truss, of which the first example was built in 1850, temporary span used after the timber bridge at Harpers Ferry was In the years following Bollman's return to the railroad, the design of [Illustration: Figure 13.--THE FOUR BOLLMAN SPANS at Harpers Ferry that The first all-iron Bollman truss was constructed over the Little railroad continued its program of replacing timber bridges with Bollman draw-span was formed of two Bollman deck trusses supported at their and August 1862, two sections of Bollman truss, spans no. the time was to use cast compression members in iron bridges and [Illustration: Figure 20.--TWO VIEWS OF BOLLMAN-BUILT "water-pipe truss" [Illustration: Figure 22.--BOLLMAN DECK TRUSSES in the North River [Illustration: Figure 23.--THE ONLY SURVIVING BOLLMAN TRUSS BRIDGE, at Near Point of Bollman 1/80'(?) Iron bridge mentioned in _Iron suspension and trussed bridge as constructed for	./cache/33912.txt	./txt/33912.txt