Radio compass constructed out of a black metal case with a round face. Divided compass on front with sectioned numbers in beige. Silhouette of plane with "Learmatic." Plug at back. 7 pin connection. There is a black and silver label adhered to the…
Attitude indicator made out of metal that has been painted black. The object is rectangular in form with the face made out of glass that displays the attitude indicator measurement system. There is a long rubber cord attached to the side of the…
Attitude indicator constructed out of a black metal rectangular form that encases components of the indicator. Along one side there are wires and metal exposed. In addition, the front of the object has a clear circular glass cover. Behind the glass…
Patent documents for an airplane flap control mechanism (patent no. 2,620,147), designed by Van B. Butler and William H. Cook, Jr., December 2, 1952. Includes a written description of the mechanism, diagrams, and a list of related patents. Seven (7)…
Compass controller constructed out of a black metal rectangular prism encasing with a black metal face with gold lettering etched in. The compass and other dials are on the face of the object. On the back is a manufacturer label with the text,…
Patent documents for an airplane yaw damper (patent no. 2,672,307), designed by William H. Cook, Jr., Calvin E. Pfafman, and George S. Schairer, March 16, 1954. Includes a written description of the mechanism, diagrams, and a list of related patents.…
Patent documents for an airfoil control apparatus responsive to aircraft speed (patent no. 2,696,355), filed by Thorvold H. Larson, John D. Mayer, Calvin E. Pfafman, William H. Cook Jr., and John F. Kirkbride, December 7, 1954. Includes a written…
Patent documents for jettisonable fuel tanks (2,764,374), designed by Roy H. Anderson, William H. Cook, Jr., and David L. Dunn, September 25, 1956. Includes a written description of the mechanism, diagrams, and a list of related patents. Seventeen…
Black Stereo 8, FM radio adapter. The object is a metal black rectangular box with silver screws holding the backing. Interior of object is not visible. A black rubber cord with silver prongs at the end is attached to the top left of the box. On the…
Frequency meter constructed out of circular silver metal. Meter scale reader is in black and cream with company information in black lettering. The scale reader is on the front of the object underneath a layer of protective glass. Black painted metal…