investigation of oxyacetylene welding and cutting blowpipes
Subtitle: with especial reference to their design, safety, and economy in operation
By: by Robert S. Johnston, Engineer Physicist, Bureau of Standards. December 28, 1921 ...
Series: [United States] Bureau of Standards. Technologic papers -- no. 200
Publisher: Govt. Print. Off.
Published: 1922
Place of publication: Washington
Subjects: Welding; Metal-cutting
Other titles: Oxyacetylene welding and cutting blowpipes.