For info:
Age: 1953 Serial Number: D5391 Model: BFF100 EQUIPPED WITH: 21" Diameter Facing Head (Built-In) Threading Cutting Capabilities (Inch/Metric) CATALOGUE SPECIFICATIONS: Spindle Diameter, Main: 4" Spindle Taper: #6MT Spindle Travel, (W-Axis): 48" Table Cross Travel (X-Axis): 47" Spindle-Head Vertical Travel (Y-Axis): 56" Saddle In/Out Travel (Z-Axis): 61" Table Dimensions (Overall): 46" W x 54" L Table Working Surface: 40" W x 47" L Spindle Speeds: 3.8 - 600 RPM Facing-Head Speeds: 5 - 200 RPM Spindle Feeds: .0028 - .48 IPR Facing-Head Feeds: .0007 - .12 IPR Power Rapid Traverse: 98 IPM Main Motor: 15/10 HP Approximate Weight: 34,000 Lbs.