R. Broomhall, Printer, Stourbridge.
The cover image was created by the transcriber and is placed in the public domain.
Transcriber's note:
In the Conclusions section, several figures are placed out of order as in the original.
Several (apparently) missing punctuation marks have been added.
The word ‘guage’ appears several times. It has been changed to ‘gauge’ in each location.
Page numbers for the annual reports have been added.