Sewing machine lighting fixture

作者: Wilfred O Langille

DOI:

关键词: CushionElectric lightSewing machineEngineeringEngineering drawingFixtureObject (computer science)

摘要: This invention relates to electric lighting fixtures, more particularly of the sewing machine illuminating type such as disclosed in U. S. Patent No. 2,067,868, Jan. 12, 1937, and has for an object provide simplified improved means cushion lamp-bulb so that it will...

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