Engineering Plans, Wachusett Aqueduct, Terminal Chamber, detail of apparatus for controlling weir, Sheet No. 5, Marlborough, Mass., Sep. 17, 1897 , waterworks, aqueducts, engineering maps
Size: 4998px × 3618px
Photo credit: © piemags/DCM / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: