The everlasting blow-off valve
By: Scully Steel & Iron Co., general distributors
Contributors: Thos. Somerville Co
Publisher: Scully Steel & Iron Co.
Published: 19uu
Place of publication: Chicago
Language: eng
Number of pages: 12
Subjects: Catalogs; Valve industry; Valves; Scully Steel & Iron Co
Notes: Cover title.

"Thomas Somerville Co., Washington, D.C."--Cf. front cover.