HOW TO WELD ALUMINUM

How to weld aluminum.

Registration MP12784 Uncertain

Term began: not parsed
Claimant: Aluminum co. of America
Class: MP — published motion picture other than a photoplay (numbering series begun Sept. 1928)
Finding: no registration date parsed from the catalog entry

The catalog entry has a problem (missing date, or a number that does not fit its year), so the renewal check cannot be relied on.

Catalog of Copyright Entries, New Series, Part 1 Group 3: Dramatic Compositions, Motion Pictures, 1942, Internet Archive catalogofcopyrig15libr (OCR text), lines 25560–25562.

How to weld aluminum. © title, descr. & 297 prints 
recd. Aug. 22, 1942; M 12784; Aluminum co. of 
America, Pittsburgh. 4513

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