Unemployedin 1933, Chyetverikov turned to the division for design for gliders and propeller-driven sleighs (OSGA) of NII GVF(Naoochno-Issledovatel'skiy Institoot Grazdahnskovo Vozdooshnovo Flota - scientific test institute for civil air fleet) with the proposal for creation of aircraft for the submarines (SPL and Hydro-1).
The museum's collection included Native American artifacts, farm implements, whaling tools, fine arts, antique furniture, household ceramics, guns from the Civil War and other periods, and a Transport Exhibit containing horse-drawn wagons, sleighs, carriages, bicycles, and even a 1905 Curved Dash Oldsmobile.