Page 267: François Soliel, whom I urged ... changed to François Soleil, whom I urged ...; ... the light derived from the accessary part ... changed to ... the light derived from the accessory part ....
Page 281: OA = ρ . cos . OAX. changed to OA = ρ . cos OAX.
Page 284: F is the small flame in the focus ... changed to E is the small flame in the focus ....
Page 413, entry The Commission paid to Collectors ...: £2401 : 7 : 0⁴⁄₈ changed to £2401 : 7 : 3⁴⁄₈ cf. page 429.
Page 430, entry 9. Startpoint, Balance: 462 0 8⁶⁄₈ changed to 462 0 3⁶⁄₈.
Page 355: ... forming a flat parallelopepid ... changed to ... forming a flat parallelopiped ....
Page 399, entry Drum Sand West Buoy, South Point: Bear changed to Bearing.