Metre and centimetre changed to mètre and centimètre for consistency; all other accentuation unchanged.
Original spelling has been retained with the exception of ‘guage,’ which has been changed to ‘gauge;’ Parimaribo changed to Paramaribo; filteration changed to filtration; homogenous changed to homogeneous. Suction ‘powder’ appears to be a misprint for ‘power’, and has not been changed.
'P. S. Reed' is mentioned in several places and is probably a misprint for 'Reid'; see NEIMME Library. H. S. Merritt changed to H. S. Merrett.