![[Worker weighing balance screws or timing watches on milligram balance that are weighed to accuracy of 1/200th of milligram, Hamilton Watch, Lancaster, Pennsylvania]](https://s3.amazonaws.com/icptmsdata/h/i/n/e/hine_lewis_800_1975_420179_displaysize.jpg)
[Worker weighing balance screws or timing watches on milligram balance that are weighed to accuracy of 1/200th of milligram, Hamilton Watch, Lancaster, Pennsylvania]
Image: 5 x 7 in. (12.7 x 17.8 cm)
Paper: 5 x 7 in. (12.7 x 17.8 cm)
Paper: 5 x 7 in. (12.7 x 17.8 cm)
Credit Line
Gift of the National Archives, Washington, DC, 1975
Accession No.
800.1975