+-----------------------------------------------------------------+ | Transcriber's Note. | | | | Every effort has been made to replicate this text as faithfully | | as possible, including obsolete and variant spellings and other | | inconsistencies. | | | | Minor punctuation and printing errors have been corrected. | | | | The first page of the original book is an advertisement. The | | page was moved to the end of the text. | | | | Some hyphenation inconsistencies in the text were retained: | | 16-candle-power and 16-candlepower, | | Electromotive and electro-motive, | | Electro-meter and Electrometer, | | Horseshoe and horse-shoe, | | Switchboard and switch-board, | | | | Two occurrences of 'Colorimeter' for 'Calorimeter' repaired. | +-----------------------------------------------------------------+