1860-1910 

 Post- 1860-? 



Pre-1861- 



Pre-1861-? 



Pre-1861-? 



1863(4?)-? 



Chile, Paine River Bollman truss (?) 



Ilchester, Md., Patap- Bollman through 



sco River truss 



Cuba Bridges and sta- 



tion house 



Cuba 



Cuba 



Bridges 



Trestle 



Clinton, Iowa, Missis- Pivot draw 

 sippi Ri\ ci 



1/? 

 1/? 



1/360' 



Remarks 



Referred to as "Tunnel Bridge" 

 in B. & O. RR. annual report, 

 1856. 



Possibly trussed beams; men- 

 tioned in B. & O. RR. an- 

 nual report, 1856. 



As above. 



Partially destroyed in Civil 

 War. B. & O. RR. 



Chilean Railways. Designed 

 and built by Bollman. Re- 

 placed by bridge built by 

 French firm of Schneider, 

 Cruesot & Co. 



As above. 



B. & O. RR. 



All bridges on Havana RR., in- 

 cluding iron station house 

 and bridge at Guines. De- 

 signed and built by Bollman. 



All bridges on Cienfuegos RR., 

 Cardenas RR., and Havana 

 & Matanzas RR. Designed 

 and built by Bollman. 



Trestle with wrought-iron col- 

 umns (the first such ever con- 

 structed). Havana RR. 

 Designed and built by Boll- 

 man. 



Span no. 3 (July 24) and span 

 no. 4 (August 21). Blown 

 up September 24, 1862. B. 

 & O. RR. 



Span no. 5 (November). B. 

 & O. RR. 



Spans nos. 3, 4, and 5. Con- 

 structed previous to April 

 1863. B. & O. RR. 



Iron bridge mentioned in B. 

 & O. RR. annual report, 

 1863. 



Built by Detroit Bridge & 

 Iron Works. It was the long- 

 est in the world at time of 

 completion. Designed by 

 Bollman. 



100 



BULLETIN 240: CONTRIBUTIONS FROM THE MUSEUM OF HISTORY AND TECHNOLOGY 



