Information relative to the construction and maintenance of time-balls / prepared under the dir. of W.B. Hazen, William Babcock Hazen, 1881

Information relative to the construction and maintenance of time-balls / prepared under the dir. of W.B. Hazen, William Babcock Hazen, 1881

printing, h 293mm × w 230mm × t 3mm More details

This work belongs to Information relative to the construction and maintenance of time-balls / prepared under the dir. of W.B. Hazen (RP-F-2010-128)