Herbert 4 Auto-lathe: Spare Parts Manual as clear Exploded Component Pictures.

Herbert 4 Auto-lathe: Maintenance Manual.

Herbert 4 Auto-lathe: Operator's Instruction Manual.

Herbert 4 Auto Junior: Operator's Instruction Manual.

Herbert 4 Flashcap Lathe: Detailed Operator's and Maintenance Manual with Sectional Drawings and Dismantling Instructions. 15 pages of Fold-out Electrical Schematics.