Posted: Wed Sep 26, 2012 7:03 pm
"A" headstock = sand casting = no access hole = no oil holes in sheaves.
"B" headstock = die casting = access hole = oil holes in sheaves.
"A" headstock = early greenies.
"B" headstock = later greenies, goldies, gray versions up until the "C" headstock.
"B" headstock = die casting = access hole = oil holes in sheaves.
"A" headstock = early greenies.
"B" headstock = later greenies, goldies, gray versions up until the "C" headstock.