Page 39, "0,0006" changed to "0.0006" (0.0006 Gm. (gr. 1/100))
Page 39, "5 16" changed to "5/16" (5/16-inch die)
Page 46, period added at end of paragraph (results in children.)
Page 49, "so" changed to "to" (punches, to make one)
Page 68, "Gm:" changed to "Gm." twice in table
| Terpin Hydrate | 3.00 Gm. |
| Vanilla Cacao Sugar | 27.00 Gm. |
Page 72, removed extraneous comma in second line of "Fat Starch" table after "Liquid petrolatum".
Page 75, added closing period to end of Endnote 2. (August 12, 1911, p. 435.)
Page 78, "Antipyrene" changed to "Antipyrine" (Antipyrine, 40)
Page 79, "Nitroglycerine" changed to "Nitroglycerin" (Nitroglycerin, 52)