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4879701 |
Memorialized case clocks
Case clocks, especially of the so-called tall-case or grandfather type, equipped with at least one suspended elongated weight, preferably contained within a weight shell or casing, are provided...
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4455094 |
Motion apparatus
Apparatus is provided for moving an object in an oscillatory manner and in an arcuate path through the use of a fluid. The apparatus basically includes a hollow member or elongate tube having a...
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3960344 |
Precision mobile gravity survey and guidance system
A gravity survey and aircraft guidance system comprises a pendulum clock mounted in an aircraft in level flight, having a pendulum bob with a signal sender mounted thereon. A signal receiver...
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3798891 |
ELECTROMECHANICAL CLOCK
A clock having a new and unique pendulum motor is provided. The motor includes a pendulum and means for maintaining the oscillation of the pendulum which comprises a weighted member. Means are...
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