89431,
Shipped  4/19/1939,
 9 x 3 1/2,
left factory as a Model C,
Shipped to McKensie Machinery Company, Boston, MA,
Sold to Sanitary Service Public Works, Boston,
then to??;  1996, rebuilt to Model B by JD Graham, VT,
article on rebuild HSM Nov-Dec 1996, pg49,
2016, rebuilt to Model A by YoheShop, VT, resides in VT