Certificate for Five Shares of Common Stock in Lincoln Manufacturing Company Limited

Certificate for 5 shares of common stock in Lincoln Manufacturing Company Limited to Hamilton K. Woodruff, April 10, 1923.

Certificate for Ten Shares of Accumulative Preference Capital Stock in Lincoln Manufacturing Company Limited

Certificate for 10 shares of accumulative preference capital stock in Lincoln Manufacturing Company Limited to Hamilton K. Woodruff, April 10, 1923.

Certificate for Twenty Shares of Accumulative Preference Capital Stock in Lincoln Manufacturing Company Limited

Certificate for 20 shares of accumulative preference capital stock in Lincoln Manufacturing Company Limited to Hamilton K. Woodruff, April 14, 1923.

Certificate for Twenty-Five Shares of Common Stock in Lincoln Manufacturing Company, Limited

Certificate for 25 shares of common in Lincoln Manufacturing Company Limited to Hamilton K. Woodruff, April 14, 1923.

Certificate for Ten Shares of Accumulative Preference Shares of Capital Stock in Lincoln Manufacturing Company Limited

Certificate for 10 shares of accumulative preference shares of capital stock in Lincoln Manufacturing Company Limited to Hamilton K. Woodruff, July 4, 1923.

Ed Tilin, Specialist Product Service, General Electric Company

Ed Tilin a graduate of the New York Trade School's Advanced Television program is pictured here as part of the General Electric Company. Original caption reads, "Ed Tilin - Advanced Television 1954, joined G.E. in 1956 and has risen rapidly. He now supervises all television product service, product training and consumer relations activities for the New York district. He is a member of the exemtive [sic] board of CETA (Certified Electronic Technicians Association). Black and white photograph with original caption glued to reverse.

Historical notes, General Electric Company; being a history of Thomson-Houston Co. and Edison General Electric Co. which were consolidated to form the General Electric Co.

CONDITION: Good.

Ordinances and contracts under which the Mahoning Valley Railway Company, the Youngstown & Sharon Street Railway Company, the Youngstown Park & Falls Street Railway Company, the Youngstown Consolidated Gas & Electric Company are operating within the City of Youngstown, Ohio.

Mode of access: Internet.

Job instruction; a manual for shop supervisors and instructors; prepared and made available through courtesy of Western electric company.

"References": p. 43.

The General Electric Company in Brazil,

Mode of access: Internet.

Precision power; the first half century of Bodine Electric Company.

Mode of access: Internet.

Methods of Determining Porosity and Spatter Losses of Arc Welds

The original objective of this project was to determine the effect of varying current intensity and electrode coating composition upon the spatter losses and porosity of arc welds made by alternating current. This subject was suggested by the Welding Research Council of the Engineering Foundation, which is a clearing house for welding research in order to avoid du­plication of work.

Aids to efficient machine design in welded steel.

Cover title.

Procedure handbook of arc welding, design and practice.

Mode of access: Internet.