Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 482
gear-wheels, the construction of which is as follows : The table is similar to that already described,and has a similar device (as shown) to release or detain it upon the upper table as before. Thematerial of which the mould is formed is placed as shown at M. A is an upright carrying the…
Mechanical engineering -- Dictionaries
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.