Established MDCCCXCII
School of Old School
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Learn to use the instruments that measured the world before electronics. Choose a course of instruction.
School of Old School
The Slide Rule
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Slide
Cursor
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School of Old School
The Abacus
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School of Old School
Sighting Compass and Map
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Turn compass
Turn yourself
Dial
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School of Old School
The Transit
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Turn
Motion
Tilt
Sight
Screws A
Screws B
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School of Old School
The Sextant
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Index arm
Drum
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School of Old School
The Astrolabe
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Plate
Rete
Rule
Alidade
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School of Old School
The Polar Planimeter
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School of Old School
The Marine Chronometer
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