TRANSCRIBER’S NOTE
Original spelling and grammar are generally retained, with some exceptions noted below. Original page numbers look like this: {36}. Scanned page images of the original book are available from archive.org, search for henleystwentieth00hiscrich. Illustrations have been moved from within paragraphs to nearby locations between paragraphs. The transcriber produced the cover image and hereby places it in the public domain. Large curly brackets “{}” intended to combine information over more than one line of text have been removed, replaced by appropriate text to retain the original meaning.
Return to [page 9].
Page [25]. The phrase “add the flower” was changed to “add the flour”.
Page [27]. Changed egg, in “Have the broken egg very clean” to edge.
Page [47]. There’re probably a word or two missing from the phrase “Thus, in melting lead and tin together for solder, rosin or tallow is thrown upon the surface is rubbed with sal ammoniac”, which has been retained as printed.
Page [48]. There may be an error in the phrase “alloys containing aluminum, magnetism, chromium”, retained as printed.
Page [81]. Changed “finally elutriated graphite” to “finely elutriated graphite”.
Page [167]. “Chain clay” is retained, though it may be wrong.
Page [349]. A paragraph of Caution about hydrochloric acid was originally printed as an ordinary paragraph in the middle of a list of Reagents. Herein, this paragraph has been converted to a footnote, and moved below the list.