Dansk
Engineers Handbook of Tables Charts and Data on the Application of Centrifugal Fans and Fan System Apparatus, Including Engines and Motors, Air Washers, Hot Blast Heaters and Systems of Air Distribution
Company, Buffalo Forge114,00 DKK
1896 Illustrated General Catalogue of the Buffalo, Horizontal and Upright Steam Engines, Mechanical Draft Fans and Apparatus, Steel Plate Steam and Pulley Fans, Fan System of Heating, Ventilating and Drying
Company, Buffalo Forge85,76 DKK