45 x 14 x 14". Suction and drainage. "Air pressure and suction device similar to the Sklars junior apparatus for air pressure and suction. Machine engine is on a stand with three feet and has a clear glass dome covering over the motor assembly. The electrical device was used for all types of aspiration and suction needs in a dental office. Similar illustration found in Winchester Surgical Supplies Company.. 180. 1927."
2 x 8 x 14".Dental casting technique: Color/shape guide."A sample card containing 78 hand carved ivory blocks in the shape of samples of teeth. These samples were made by dental students as senior projects at Northwestern University in the late 1920's and 1930's. The collection was assembled by Dr. Frank Anaturo. Northwestern Dental Faculty."