Paul System, including expansion valve; change valve; by-pass, ammonia cylinder; cooling cylinders, compression cylinder; congealer coilers; and  condenser coil
setName: label: See more items in
content: Paul Steam-Heating System Company Records
physdesc: label: Extent
content: 1 Drawings (visual works) (22.50 in x 29.75 in )
unitdate: label: Date
content: undated
container: label: Container
content: Map-folder 1
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Drawings (visual works)