First annual report of the chief engineer of the Pennsylvania rail-road company, June 12, 1848
Contributors: Thomson, J. Edgar 1808-1874.
Publisher: J. C. Clark, printer
Published: 1848
Place of publication: Philadelphia
Language: eng
Number of pages: 32
Notes: J. Edgar Thomson, chief engineer.
Subsequent reports of the chief engineer were published with the Annual reports of the company to its stockholders.