Top 20 Hemingray Insulators Content Attribution: https://en.m.wikipedia.org/wiki/Hemingray_Glass_Company, Christian Willis, copyright holder, used with permission
CD
Style
Introduced
Discontinued
Usage
Nickname
Image
106
9
1890s
1940s
Telephone, rural
Pony
107
9
1950s
1960s
Telephone, rural
Pony
113
12
1890s
1940s
Telephone
Double Groove Pony
121
16
1890s
1920s
Long distance
Toll
122
16
1919
1960s
Telephone, long distance
Toll
124
4
1880s
1910s
Telephone
125
15
1870s
1933
Telegraph
128
CSA
1930s
1950s
Telephone, long distance
129
TS
1940s
1960s
Transposition
133
Standard
1870s
1910s
Telegraph
Signal
134
18
1880s
1930s
Telegraph, secondary power distribution
145
21
1880s
1930s
Telegraph
Beehive
147
1907
1920s
Telegraph
Spiral Groove
152
40
1910
1921
Telegraph
Hoopskirt
154
42
1921
1960s
Telegraph
155
45
1938
1960s
Telephone, long distance
160
14
1880s
1956
Telephone, rural
Baby Signal
162
19
1880s
1940s
Secondary power distribution, telephone
Signal
163
19
1940s
1960s
Secondary power distribution
164
20
1880s
1940
Secondary power distribution
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