I'm not sure if this information is correct or not but I found a picture of my machine?
New Home AC, AD, DAKey features: Cam drive rotary machine, a descendant of the Free line, having a tangle free spool pin. Tension on face plate. Reversible stitch regulator is Germanic in appearance. Hand wheels available for treadle or electric models, serial number to rear or pillar. Uses Free rotary bobbin and case, bobbin case base has notched rim with solid center pin.
Interchangeable Needles: 206x13 - Boye 2 1/2 - Schmetz 21:32 - Free CC - Brewer T
