Ventilation (exhaust), 207-220; by fans, 210; by heat, 208; composing boxes, 255; essential points, 208; in earthenware, 273; in electric accumulators, 216, 282; in enamelling, 278; in glass-cutting, 284; in india-rubber, 302; in lead smelting, 245; in litharge, 251; in paints, 215, 286; in printing foundry, 254; in red lead, 250; in spelter, 249; in tinning, 259; in vacuum cleaning, 218; in white lead, 214, 268; in yarn-heading, 300; smoke-test, 218 Volatility of lead, 2 Washing accommodation, 235 Wasting in lead poisoning, 113, 115, 145 Water, action on lead, 3, 4 White lead: Brimsdown process, 269; casual labour in, 269; cause of dangers in, 266; chamber process, 268; diminution in reported cases, 270; Dutch process, 265; precipitation process, 269; ventilation in, 214 Works’ medicines, 185 Wrist-drop. See Paralysis Yarn-dyeing with chromate of lead, 298 Zinc: action on kidney, 130; paints, 292, 294 BILLING AND SONS, LTD., PRINTERS, GUILDFORD Transcriber’s Notes The text used in this document is the one used in the source document, except as mentioned below. In particular, non-English words and phrases and titles and author names of references, and summations and other calculations in tables have not been corrected, unless mentioned below. Table numbering (or the lack thereof) has not been standardised. Depending on the hard- and software used to read this text and their settings, not all elements may display as intended. Page 1, 6: Stockhusen is probably an error for Stockhausen. Page 38, the reference to Goadby[13] points to a publication by Garrod. Page 52: hyperthenar eminence may be an error for hypothenar eminence. Page 64, ... se recontrant d’une manière diffuse ...: possibly an error for ... se rencontrant d’une manière diffuse .... Page 70, bottom row of Table IX: possibly the first column should read Average age at death. Page 220, Literature reference [5]: there is no footnote marker in the text. Changes made Tables and illustrations have been moved out of text paragraphs. Some of the tables have been re-arranged or split for legibility; ditto marks and the word Ditto have in several places been replaced with the dittoed text. Some obvious minor typographical and punctuation errors have been corrected silently. Page 3: ... mascicot and litharge ... changed to ... massicot and litharge .... Page 47, Table III bottom part: value for 1911 in the row Other industries changed from 8 to 88⁴ (based on the totals given). Page 61, Footnote [2]: Dr. John Tathan changed to Dr. John Tatham. Page 75: Pfleuger changed to Pflueger. Page 76: Seiffert changed to Seifert. Page 79, references [16] and [27]: Bleilähnung changed to Bleilähmung; reference [49]: les Maladies du Pois et Reins changed to les Maladies du Foie et des Reins. Page 88: eutetic entangling changed to eutectic entangling.