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US2437355A
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Indicating dial for resistance apparatus
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US2595135A
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Shock-absorbing suspension for instruments or the like
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US2440335A
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Electric contact device
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US2442355A
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Galvanometer mounting
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|
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Drill rod
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Device for making electricalconductivity tests on tubular articles
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Testing device
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GB558457A
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Apparatus for the manufacture of hollow staybolts
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GB548966A
|
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A method of and apparatus for the manufacture of staybolts
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Manufacture of hollow staybolts
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Method and apparatus for detecting progressive fractures or the like in heavily stressed working members
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Telltale hole opener for staybolts
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US2332569A
|
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Hollow stay bolt
|
|
GB535281A
|
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Staybolt plugs and the method of making the same
|
|
US2238092A
|
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Stay bolt testing device
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|
US2262944A
|
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Stay bolt
|
|
US2300967A
|
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Lathe
|
|
US2255661A
|
|
Staybolt plug and method of making the same
|
|
US2121979A
|
|
Staybolt and method of manufacturing the same
|
|
US2150927A
|
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Porous plug for staybolts and the manufacture thereof
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