alidadeの例文

• The alidade was then aligned with the second object as well.
• The rim of the alidade has markings for 360 degrees.
• With skill, this sort of alidade can yield very precise measures.
• This could be the edge of an alidade or a similar device.
• Alidades have been made of wood, ivory, brass and other materials.
• The alidade was originally a part of many types of scientific and astronomical instrument.
• An alidade can be seen in the lower right illustration of the Persian astrolabe above.
• Eventually, the simple, open-sight alidade was replaced with a sighting telescope.
• The alidade was free to rotate about a pin through the centre of the instrument.
• Observations were typically made with an alidade, though newer versions could use a telescope.
• The FAMAS provides an alidade sight for launching the grenade from 75 or 100 metres.
• This type of alidade could be found on a plane table, graphometer or similar instrument.
• Alidades of this form are found on astrolabes, mariner's astrolabes and similar instruments.
• With modern technology, the name is applied to complete instruments such as the plane table alidade.
• When an angle was measured, the circle and the division on which the alidade fell was noted.
• The earliest alidades consisted of a bar, rod or similar component with a vane on each end.
• There may also be a pointer or pointers on the alidade to indicate a position on a scale.
• "' Alidade E "'is a representation of a very interesting design by Johannes Hevelius.
• The FAMAS provides a built in alidade type aiming device for launching the grenade from 75 or 100 meters.
• To use the alidade, the user sights an object and lines it up with the wires in each vane.