| 11. | The FAMAS provides an alidade sight for launching the grenade from 75 or 100 metres.
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| 12. | This type of alidade could be found on a plane table, graphometer or similar instrument.
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| 13. | Alidades of this form are found on astrolabes, mariner's astrolabes and similar instruments.
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| 14. | With modern technology, the name is applied to complete instruments such as the plane table alidade.
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| 15. | When an angle was measured, the circle and the division on which the alidade fell was noted.
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| 16. | The earliest alidades consisted of a bar, rod or similar component with a vane on each end.
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| 17. | There may also be a pointer or pointers on the alidade to indicate a position on a scale.
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| 18. | "' Alidade E "'is a representation of a very interesting design by Johannes Hevelius.
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| 19. | The FAMAS provides a built in alidade type aiming device for launching the grenade from 75 or 100 meters.
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| 20. | To use the alidade, the user sights an object and lines it up with the wires in each vane.
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