From Vintage Organs Online

Leslie Speaker Models 122/122RV/142/242 - Owner's Manual

Contents: Locating the speaker, preparing the speaker for use: Line Voltage, 220 - 240 - volt Conversion, Volume Adjustments, Special uses, multiple speaker installation. Shipping, maintance: drive belt. Specifications: motor lubrication and cleaning, loudspeaker, replacement parts, cleaning the cabinet. April 1978 - 137289, book is complete, some stains on cover, book is in good condition .