Page [409]. Removed the extra drachms; from “and Prussian blue, each 5 drachms; drachms;”.

Page [470]. Changed acquer to lacquer, in “with a thin spirit or zapon acquer”.

Page [502]. There are evidently a word or two missing from the phrase “water, 3 ounces; 4 ounces (avoirdupois);”.

Page [506]. The meaning of “allowing to settle forweeks.” is not clear.

Page [529]. The scanned image of the first paragraph of page [529] was unclear in a small area. Guesswork was required.

Page [530]. The phrase “pense and flat” was changed to “dense and flat”.

Page [619]. In the first table on the page, the amount printed for “Rubber” was blank. In this edition, “[ ]” indicates this.

Page [624]. “The crude oil [. . .] are”, changed to “The crude oil [. . .] is”.

Page [658]. In the phrase "of copper will meet at 1,940°", meet was changed to melt.

Page [700]. The phrase “2 parts of tried suet” is retained.