From the 1870s through to the 1890s, this foundry manufactured shingle-sawing machines. They also manufactured barrel-making machinery. The company was founded by Joseph Alexander Mumford, a skilled mechanic and machine designer who received several Canadian and American patents for his shingle machines.

Patents issued include:

1877 Improvements in shingle machines
1886 Steam boiler
1887 Shingle sawing machine
1890 Steam engine

(to be continued)