Page 201, ‘er ai’ changed to ‘certain,’ “certain distance in a certain time”
Page 222, dittos replaced with original text, “is 144 dirhems of 47·66 grs.”
Page 224, ‘ruba’ changed to ‘rūba,’ “divided into 4 rūba and”
Page 252, ‘onomatopæic’ changed to ‘onomatopœic,’ “belong to an onomatopœic class”
Page 255, ‘gallons’ value inserted for ‘Spain,’ “Spain, 64·55 „ 14·23 „”
Page 282, ‘decimales’ changed to ‘décimales,’ “à 2 heures 10 minutes décimales”
Page 299, ‘alterative’ changed to ‘alternative,’ “have alternative decimal series”