We only have this paper's title and publication details.
Read it at the sourceAnswers are grounded in this paper and cite their sources.
Reprint of the 1911 edition published by Van Nostrand, New York.
No takes yet. Share an insight, caveat, or question.
Frank B. Gilbreth (2021) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: