A shield such as this typically hangs on the outside of a torah. The window holds a set of interchangeable plaques denoting the section of the Torah to be read for the service that day.
United States Geological Survey, 1938
United States Geological Survey, 1940
United States Geological Survey, 1935
United States Geological Survey
United States Geological Survey, 1941
United States Geological Survey, 1936
United States Geological Survey, 1937