Design and specification book

Indexed by machine part and titled "A G Berry". Contains various designs of machinery for the manufacture of sugar and rum including sugar mills as well as individual parts such as air pumps, shafts, valves, and vacuum pans. Details specifications relating to inividual parts as well as the machinery as a whole including diagrams, calculations, and detailed instructrions regarding both the building of machinery and its eventual use. Also contained within the volume are loose calculations, diagrams and cuttings.