AUTHORITES QUOTED
A
ADDIS, W H., [102]
AMERICAN MACHINISTS' HANDBOOK, [69]
AMERICAN STEEL TREARERS' SOCIETY, [119]
AMERICAN GEAR MFRS. ASSO., [115]
AUTOMATIC AND ELECTRIC FURNACES LTD., [161]
ARNOLD, PROF. J. O., [167]
B
BURLEIGH, R. W.
BORDEN, B.
BOKER, HERMAN & Co.
BROWN INSTRUMENT Co., [224]
BROWN-LIPE-CHAPLIN Co., [121]
C
CAMPBELL, H. H.
CARHART, H. A., [42]
CLAYTON, C. Y., [112]
CURTIS AIRPLANE Co.
E
ENGLEHARD, CHARLES, [227]
ENSAW, HOWARD, [79], [95]
F