— [335], l. 10, for “two velocities,” read “low velocities.”
— [336], last l., for “entering part,” read “entering port.”
— [341], l. 11, for “properties,” read “proportions.”
— [341], last l., for “Nollan,” read “Nollau.”
— [346], l. 17, for “part,” read “port,” and for “construction,” read “contraction.”
— [355], l. 7, for “6300,” read “5170”; and l. 9, for “16,905,” read “15,775.”
— [363], l. 17, for “44 × 2 = 80,” read “44 × 2 = 88.”
— [363], l. 18, for “54½ × 3 = 103½,” read “54½ × 3 = 163½.”
— [367], l. 16, for “15.0
10,” read “15.0
16,”
— [368], l. 15, for “u = 135,” read “n = 135,” etc.