At the San Diego Museum there is an auxiliary engine model 32 APU used by the USAF and that is manufactured by Andover Motor Corp.

From appendix 5: Manufacturer of auxiliary power groups (APP and APU) for aviation. In the main text is already mentioned a model of two horizontal cylinders.

-Now we have located in an advertisement another auxiliary unit of two cylinders in V of this brand. It gives 15 hp at 3,600 rpm maximum.

"Poor picture of the engine"

From appendix 1: Manufacturer of auxiliary power groups for land and air. See APP and APU chapter.

"Andover APP in a Boeing B-29 aircraft"

-The Andover APP equipment that is mounted in the mentioned bomber consists of an Andover 2-cylinder, V engine Model 32.

-The large generator we see on the left is a Bendix type P2, 28 volt and 200 Amps DC (direct current).

-And now we repeat the picture from the mentioned chapter where everything started about this brand. When we discovered an auxiliary unit in the engine stock storage of the Museum of San Diego, California, with engine and generator, possibly used for teaching.

"The Andover at the San Diego museum"