作者: Wilfred O Langille
DOI:
关键词: Cushion 、 Electric light 、 Sewing machine 、 Engineering 、 Engineering drawing 、 Fixture 、 Object (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...