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AU1547395A
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Delivery of sea water using tidal movements
|
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AU2069888A
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Game playing apparatus
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GB893776A
|
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Improvements in the tensioning of warp threads in warping
|
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US2290787A
|
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Strain relief
|
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US2258343A
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Strain reliever for electrical conductors
|
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GB349648A
|
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Improvements in and relating to jambs for doors and exits
|
|
US1735623A
|
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Distance-measuring apparatus
|
|
US1736064A
|
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Unidirectional driving mechanism
|
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US1590345A
|
|
Closet vent
|
|
GB228435A
|
|
Improvements in or relating to distance measuring apparatus for use on ships or the like
|
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GB236724A
|
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Improvements in or relating to direction recording apparatus
|
|
US1638973A
|
|
Distance-measuring apparatus for ships, etc.
|
|
US1738808A
|
|
Direction recorder
|
|
US1540151A
|
|
Apparatus for averaging velocities of rotating elements
|
|
US1530588A
|
|
Driving mechanism for ships' instruments and other precision instruments
|
|
US1638972A
|
|
Ship's instrument
|
|
US1738807A
|
|
Direction indicator and recorder for ships, etc.
|
|
US1540149A
|
|
Mechanism for preventing backlash in precision instruments, etc.
|
|
US1638971A
|
|
Distance indicator for ships, etc.
|
|
US1540150A
|
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Escape mechanism for ships' instruments and other precision instruments
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