"BB" Quotes from Famous Books
 ... method of charging and tamping a hole in using the new system is shown in Fig. 8. The charge of powder is shown at C, the air space at B and the tamping at A. Fig. 9 is a special hole for use in thin beds of rock. The charge of powder is shown at C, the rod to sustain tamping at D, air space at BB, and tamping ...
— Scientific American Supplement, No. 832, December 12, 1891 • Various
... of Masonry Incertain, but they are mistaken; for they read Incerta instead ofInserta; it is not so Beautiful as the Net-work, but it is more solid and durable. See the Figure BB. Table I. ...
— An Abridgment of the Architecture of Vitruvius - Containing a System of the Whole Works of that Author • Vitruvius |
