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US2344669A
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Dust respirator
|
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US2112144A
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Means for cooling gun barrels
|
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Means for absorbing the energy of a falling body
|
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Mount for antiaircraft guns
|
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US1959401A
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Fuse for bombs
|
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Fuse for bombs
|
|
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Grouser
|
|
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Combination fuse
|
|
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Combination fuse and bomb
|
|
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|
Mechanical delay fuse for drop bombs
|
|
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Supersensitive fuse for drop bombs
|
|
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Process for the production of alkali-earth metal permanganates
|
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Impact firing mechanism
|
|
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|
|
Treatment of rubber
|
|
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High-explosive shell
|
|
US1424112A
|
|
Impact fuse
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