Semaphore Trainer, US Navy H-21 We have more than one

We have more than one in stock

The fluid in the floating ball chamber is no longer present

with a control panel

all documentation we've seen on these aircraft illustrate the type B-5 ignition switch

Semaphore Trainer, US Navy H-21 We have more than oneHere is a very interesting device, a Semaphore, or Flag Signaling, Trainer, made for the US Navy Special Devices Center by the advertising promotional firm Einson Freeman, Inc. The device is a rotating training card within a card. The "Sender" view is on one side and the "Receiver" view on the reverse side. When rotated to the desired letter by the Sender, he see's which flag arm position must be taken to communicate that letter. The Receiver, upon