This text spells "gauge" as "guage" in all but one instance; none changed here.
Page [34]: "by a break put on" perhaps should be "brake".
Page [40]: "conveyed upwards fourteen" probably should be "conveyed upwards of fourteen".
Page [70]: "the prepare surfaced" probably is a misprint for "surface".
Page [83]: "re-agents" was printed that way.
Page [197]: "distil" was printed that way.
Page [208]: "metropolitian" was printed that way.