Uttmark's guide to the United States local inspectors examination for masters and mates of ocean going steam and sailing ships (1919)
Uttmark, Fritz E · [New York] The Author · leaf 31
Fig. 8. 10.—*What is a Radius? … A straight line drawn fromthe center of a circle to itscircumference is called Ra-dius. The lines A B, A Cand A D are radius to thecircle in Fig. 9. Fig. 9 DEFINITIONS lh—*What are Small Circles? Circles whose planes donot pass through the centerof the sphere are calledsmall circles. AB, CD, EFand…
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