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Aviation History
1939
1939 - 0218.PDF
28 FLIGHT. ADVERTISEMENTS. JANUARY 26, 1939. • # • # • # » # m # » # • ^ 9 # • # § # $ POINTS FOR BEARING USERS No.1 Design The embodiment of strength and simplicity. Take the Standard Ball Journal. The rolling elements are as large as is consistent with adequate race section ; both races are deeply grooved to afford maximum support to the balls, and these are retained and spaced by a simple but strong separating cage. The Roller Journal follows the same general proportions. Both lypes have the lowest known co-efficient of friction. Notice also the compactness of the Hoffmann Bearing as com pared with a plain bearing for the same shaft diameter. II HOFFMANN BALL AND ROLLER BEARINGS THE HOFFMANN MANUFACTURING CO., LTD. - - - CHELMSFORD, ESSEX • <* • # # <* • <t « <* m <* # • # • <#
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