Carnegie Library of Pittsburgh - Pittsburgh Iron & Steel Heritage

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 Flem's  views of old Pittsburgh
150 years of unparalleled thrift : Pittsburgh Sesqui-Centennial, chronicling a development from a frontier camp to a mighty city : official history and programme
1925 catalogue / James C. Lindsay Co.
The "AB" freight brake equipment.
Addresses of the Philadelphia Society
Adequate transportation facilities
Ahlbrand Carriage Co.
Air brakes for electric cars
Air compressors and blowers for the operation of industrial furnaces
Air compressors and vacuum pumps
Album of drawings
Album of drawings relating to the manufacture of open-heart [sic] steel. Part I
Allegheny Foundry Company
Allegheny metal
Allegheny metal : approximating
Allegheny metal : as the world
Among our books : a selected list of new books in the Carnegie Library of Pittsburgh
The analysis of steel-works materials