VOLUME XJ) (NUMBER 27. screwing into their backs. The upper sur- THE face of the bar, D, is graduated in degrees, SCIENTIFIC AMERICAN, … The edge of the stile is then planed down ° nation, and experience has shown that in till the depth gauge comes in contact with many cases much of the iron has had to be able and capable of being secured in any po- view, figure 1, and a transverse section, figure the bottom of the groove. if it be…
Internet Archive · Public domain (published before 1931). Free to use for anything.
