Illustrations in this eBook have been positioned between paragraphs. In versions of this eBook that support hyperlinks, the references to illustrations lead to the corresponding illustrations. Links to articles have been provided where they are referenced in other sections.
The index was not checked for proper alphabetization or correct page references.
Obvious typographical errors and punctuation errors have been corrected after careful comparison with other occurrences within the text and consultation of external sources.
Some hyphens in words have been silently removed, some added, when a predominant preference was found in the original book.
Except for those changes noted below, all misspellings in the text, and inconsistent or archaic usage, have been retained.
| Pg | 15: | removed redundant “to” in “Teeth, to true”. |
| Pg | 28: | “horisontal” replaced with “horizontal”. |
| Pg | 29: | “emphacise” replaced with “emphasize”. |
| Pg | 29: | “an” replaced with “in” ind “one portion removed in order”. |
| Pg | 36: | “faciliy” replaced with “facility”. |
| Pg | 42: | Caption “Fid. 20” replaced with “Fig. 20”. |
| Pg | 58: | “acqua” replaced with “aqua”. |
| Pg | 59: | “deterorated” replaced with “deteriorated”. |
| Pg | 78: | Duplicate section “88” appeared between sections 85 and 86. This has been renumbered “85a”. |
| Pg | 102: | “phosporus” replaced with “phosphorus”. |
| Pg | 102: | Reference to paragraph “666” replaced with “591”. |
| Pg | 116: | “cleasing” replaced with “cleansing”. |
| Pg | 117: | “cautions” replaced with “cautious”. |
| Pg | 118: | “choride” replaced with “chloride”. |
| Pg | 124: | “imposible” replaced with “impossible”. |
| Pg | 131: | “camporated” replaced with “camphorated”. |
| Pg | 138: | Added the word “be” to “The other stones may be treated in similar manner”. |
| Pg | 139: | “dimished” replaced with “diminished”. |
| Pg | 143: | “necessary” replaced with “unnecessary”. |
| Pg | 145: | “keylesss” replaced with “keyless”. |
| Pg | 147: | “expriments” replaced with “experiments”. |
| Pg | 149: | “degress” replaced with “degrees”. |
| Pg | 150: | “throughly” replaced with “thoroughly”. |
| Pg | 152: | Replaced “the” with “to” in “working up towards to the extremity”. |
| Pg | 153: | “sucessful” replaced with “successful”. |
| Pg | 155: | “escapments” replaced with “escapements”. |
| Pg | 155: | Replaced “too” with “to” in “sealing-wax causes objects to adhere”. |
| Pg | 156: | “bebstween” replaced with “between”. |
| Pg | 156: | “especiably” replaced with “especially”. |
| Pg | 160: | “magnanese” replaced with “manganese”. |
| Pg | 160: | “iatter” replaced with “latter”. |
| Pg | 167: | Removed extra “as” in “it is known as a tourmaline”. |
| Pg | 170: | “rottten” replaced with “rotten”. |
| Pg | 176: | “dazzing” replaced with “dazzling”. |
| Pg | 177: | Original text unclear, inferred “taking” in “necessity of taking care”. |
| Pg | 180: | “aquired” replaced with “acquired”. |
| Pg | 189: | “ltttle” replaced with “little”. |
| Pg | 197: | “calliper” replaced with “caliper”. |
| Pg | 199: | “operatar” replaced with “operator”. |
| Pg | 204: | Removed extra “be” in “10 feet high may be used as a fixture”. |
| Pg | 206: | Replaced “varries” with “varies”. |
| Pg | 208: | Removed duplicate “is” in “H is a pipe”. |
| Pg | 209: | “ot” replaced with “not”. |
| Pg | 218: | Replaced “to” with “too” in “Having too much end-shake”. |
| Pg | 234: | “obstuse” replaced with “obtuse”. |
| Pg | 237: | Removed duplicate “the” in “raising the edge of a jewel”. |
| Pg | 247: | “cuting” replaced with “cutting”. |
| Pg | 251: | Replaced “ase” with “are” in “polishers are used”. |
| Pg | 281: | Replaced “Illinos” with “Illinois”. |
| Pg | 281: | Replaced “Bregeut” with “Breguet”. |
| Pg | 334: | Replaced “idex” with “index”. |
| Pg | 341: | Replaced “portio” with “portion”. |
| Pg | 345: | Replaced “templets” with “templates”. |
| Pg | 348: | Replaced “cuttter” with “cutter”. |
| Pg | 357: | Removed duplicate “is” in “It is well to have some change wheels”. |
| Pg | 358: | Replaced “It” with “Its” in “Its edge must be saddle-shaped”. |
| Pg | 367: | Replaced “late” with “plate”. |
| Pg | 347: | Replaced “appplicable” with “applicable”. |
| Pg | 389: | Replaced “make” with “made” in “remarks made in speaking”. |
| Pg | 404: | Replaced “mannner” with “manner”. |
| Pg | 410: | Corrected caption “Fig. 24” to “Fig. 231”. |
| Pg | 418: | Replaced end of line “dur-” with “during”. |
| Pg | 422: | Corrected caption from “Fig. 338” to “Fig. 238”. |
| Pg | 432: | Replaced “characacteristic” with “characteristic”. |
| Pg | 433: | Original text unclear, inferred “not to” in “advisable not to touch the fusee”. |
| Pg | 454: | Correction caption from “Fig. 251” to “Fig. 255”. |
| Pg | 463: | Removed duplicate “the” from “their heads on the dial side”. |
| Pg | 463: | Replaced “escapment” with “escapement”. |
| Pg | 470: | “acuracy” replaced with “accuracy”. |
| Pg | 471: | “longtitudinal” replaced with “longitudinal”. |
| Pg | 506: | “d’horologerie” replaced with “d’horlogerie”. |
| Pg | 511: | Added “know” in “Do you know how?” |
| Pg | 512: | Replaced “Fuzee” with “Fusee”. |