...Some had ordinary cups which they filled a block away! The limit of efficiency was a pail... 
Stewart Edward White 「African Camp Fires」
...As evidence of Memba Sasa's coolness and efficiency, it is to be written that he became aware of this as soon as I did...
Stewart Edward White 「African Camp Fires」
...Moreover, the method of modern democracy hasplaced within reach of the modern state larger reserves of efficiency,ability, and even genius than the ancient or mediaeval state dreamed of...
W. E. B. Du Bois 「Darkwater」
...When the Sultan Elmansour came to the throne of Morocco, heincreased the efficiency of his army by supplying it with fire armsand cannon...
W.E.B. Du Bois 「The Negro」
...Freedom, notconfinement, is the natural state of man, and the only condition underwhich influences for reformation can have their full efficiency...
Various 「Mother Earth, Vol. 1 No. 2, April 1906」
...With every step upward in the organization of society we find thatthe number and efficiency of these subjugated creatures increases...
Nathaniel Southgate Shaler 「Domesticated Animals」
...Seeing the approaching collie (always inveterate foe of his kind), thepolice-dog had gauged the distance and had launched his surprise attackwith true Teuton sportsmanship and efficiency...
Albert Payson Terhune 「Bruce」
...Do you wish to convince yourself of the efficiency of this mechanism?Take a Cigale but newly dead and make it sing...
J. H. Fabre Bernard Miall 「Social Life in the Insect World」
...So long as the sites furnished a largeproportion of the defensive efficiency of a village, the invention ofthe builders was not stimulated to substitute artificial for naturaladvantages...
Victor Mindeleff and Cosmos Mindeleff 「A Study of Pueblo Architecture: Tusayan and Cibola」
...Thewearing of such appliances would interfere with the efficiency of mymen as guards...
Various 「Astounding Stories, February, 1931」
...But, itall moved smoothly, quietly, with wonderful efficiency...
Various 「Astounding Stories of Super-Science September 1930」
..."But I thought this rocket business was not feasible on account of thewastage of fuel due to its low efficiency," I objected...
Various 「Astounding Stories of Super-Science July 1930」
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