Letter Opener, Standard Steel Propeller Company Promotional Item 1920's (pre-Hamilton) C-46 Bendix Autosyn

Bendix Autosyn

The pilot can select the mode of operation desired by use of the Reset/Stby switch located on the lower right corner of the instrument case

The left dial selected the spacing interval between bombs at a given airspeed

rotating the pointer clockwise from the 6 o'clock position

the course correction is calculated and communicated to the pilot

Letter Opener, Standard Steel Propeller Company Promotional Item 1920's (pre-Hamilton) C-46 Bendix AutosynHere is a beautifully presented chrome Letter Opener promotional item from the Standard Steel Propeller Company of Pittsburgh, PA. In 1929, Standard Steel Propeller merged with Hamilton Aero Manufacturing, thereafter known as Hamilton Standard. So our assumption is that this item was offered prior to 1929, since the decals on the letter opener state "Standard Steel Propeller" and not "Hamilton Standard" It is in exception condition. The decals are in