industry
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No known copyright restrictions(著作権制限なし)

Logs being hauled on a sleigh by a team of horses along the government railway, 35 miles from Seward, Alaska (LOC)
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)
No known copyright restrictions(著作権制限なし)
No known copyright restrictions(著作権制限なし)

Mechanical operator on boiler parts, Combustion Engineering Co., Chattanooga, Tenn. (LOC)
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)

Thomas Madrigal greasing a locomotive in the roundhouse, Rock Island R.R., Blue Island, Ill. (LOC)
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)
2,701件~2,760件 (全 93,802件)