These are photos taken by Jerry Frisch during the HMED class he taught in Shutesbury, Massachusetts between the 4th and 7th of November, 2011. The heater being built, a simple contraflow, was built directly following plans from the MHA Plan Book.
These are photos taken by Jerry Frisch during the HMED class he taught in Shutesbury, Massachusetts between the 4th and 7th of November, 2011. The heater being built, a simple contraflow, was built directly following plans from the MHA Plan Book.
