Heald Horizontal Spindle Rotary Surface Grinder
Model 261
S/N 36622
Year:  1956
SPECIFICATIONS:
- Chuck face diameter:  16-1/2"
- Swing inside pan:  18-1/2"
- Wheel size:  14" x 1" x 5"
- Spindle drive:  15 HP
- Chuck to face of wheel:  10-1/2"
- Table travel:  12"
- Grinding stroke:  8"
- Max. height of work @ 10 degrees concave:  9-3/4"
- Max height of work @ 17 degrees convex:  8-1/2"
- Chuck speed:  50-225 RPM
- Wheel speed:  1680 RPM
- Table speed grinding:  0-35 FPM
- Table speed runout:  0-20 FPM
- Power feed adjustment:  .0001-.0006 by .0001
- Lubricaton system
NOTE:  These are general catalog specs and should be verified by inspection.