Analysis of information sources in references of the Wikipedia article "Edison Records" in English language version.
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"..the general dimensions of the Standard cylinder were 4+1⁄4 in [110 mm] length, 2+1⁄4 in [57 mm] external diameter, and internal diameter from 1+5⁄8 to 1+3⁄4 in [41 to 44 mm], although there are small variations found, and extra long cylinders were marketed by some manufacturers
