Classifications: Tools and Equipment for Communication
Date: 1922
Object number: 2017.4.5
Date: 1960s
Object number: 2023.14.2
Date: 1947
Object number: 1989.42.108a,b
Medium: Wood; Metal: brass
Object number: 1976.269.1
Medium: Wood; Metal
Object number: 1976.270.1
Date: 1970s
Object number: 2023.14.3
Date: c1930
Object number: 1978.40.1
Date: 1894
Object number: 1999.25.1
Date: 1930-1940
Object number: 2000.8.1a-b
Object number: 1988.81.1a-b
