The building and decorative stones of Maryland, containing an account of their properties and distribution (1898)
Merrill, George P. (George Perkins), 1854-1929, Mathews, Edward Bennett, b. 1869 · Baltimore, Johns Hopkins press · leaf 162
ting the work they do not renderthe rock inferior, because of too great frequency. It is possible toobtain blocks of any size within the range of economical handling.This limit seems to be reached in blocks of seven or eight tons. Thehoist in use, however, is capable of handling ten ton blocks. The… … Fk;. 1.-CUKI.KY-SCH\VIND (HJAUKY. HALTIMOHK
Stone · Building stones
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
