Query: *
The "hot bed" where steel rails are cooled after being rolled, rail mills, Braddock, Pa. [Active no. 13150 : stereo interpositive,]
Level:
item
Creators:
Underwood & Underwood
White, C. W.
H.C. White Co.
White, C. W.
H.C. White Co.
Dates:
1907
Size:
1 Item (3-3/4" x 7".)
Collection ID:
NMAH.AC.0143
Repository:
Archives Center, National Museum of American History
Digital Content Available