Duff, Arthur Melville, 1862–
Nationality: Undetermined, possibly (United States)
Identities and Authority Control
- pdbooks.info ID: 928
Arthur Melville Duff Contributed to the Following:
Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
---|---|---|---|---|---|---|---|---|---|
1/10th hours of 48 hours a week pay roll wage calculator | 1919 | Author | |||||||
45 hours a week wage calculator | 1919 | Author | |||||||
49 hours a week calculator | 1918 | Author | |||||||
Daily basis wage calculator | 1918 | Author | |||||||
Fifty hours a week wage calculator for pay rolls and labor cost | 1918 | Author | |||||||
Forty-eight hours a week wage calculator | 1928 | Author | |||||||
Forty-eight hours a week wage calculator | 1919 | Author | |||||||
Forty-eight hours a week wage calculator | 1919 | Author | |||||||
Manufacturers hourly basis wage calculator for pay rolls and labor cost | 1919 | Author |