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Arrangement for determining the relative angular orientation between a first machine element and a second machine element
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System and method for leveling an apparatus
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Shock and vibration sensor
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Laser transmitter incorporating auto scan dither zone
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Focusing mechanism using a thin diaphragm
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Position leveling sensor for a laser transmitter
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Laser transmitter incorporating target dither
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Autofocusing system for a laser transmitter
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Self-aligning laser transmitter having a dual slope grade mechanism
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Laser beam receiver circuit
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System for determining the position of a tool mounted on pivotable arm using a light source and reflectors
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