THE quarterly journal Electric Welding, issued by the Quasi-Arc Company, Ltd., Bilston, Staffs., is being discontinued. Advances which may occur in welded construction or technique will be published ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Parts can be fastened by a rivet if flat parallel surfaces exist for both the rivet clinch and head, and there is adequate space for the rivet driver during clinching. When a blind rivet is set, a ...

Ball joints are the hardest working suspension part. They move up and down with every bump and swivel left and right with each turn. The front, lower ball joints have the toughest job because they ...