If the fine, Cylindroid filaments are seen they may then be examined with a power of 200 or 250 diameters.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
The sleek, tapered Cylindroid might easily have been mistaken for a Naval torpedo, since it was roughly the same size and shape.
"The Foreign Hand Tie"
Gordon Randall Garrett