Albert Einstein, Princeton, New Jersey

[Hartford "I.S." glass-blowing machine, Whitall Tatum Company, Millville, New Jersey]

[Blowers in green glass monkey shop, T.C. Wheaton Company, Millville, New Jersey]

[Worker operating Lynch bottle machine, Whitall Tatum Company, Millville, New Jersey]

[Worker examining and picking fabric, removing loose ends with a tweezer, Paterson, New Jersey]

[Lap finisher removing full lap, Millville Manufacturing Company, Millville, New Jersey]

[Worker with lynch bottle blowing machine, Whitall Tatum Company, Millville, New Jersey]

[Worker removing full can of sliver, Millville Manufacturing Company, Millville, New Jersey]