Definition of stadia rod. Meaning of stadia rod. Synonyms of stadia rod

Here you will find one or more explanations in English for the word stadia rod. Also in the bottom left of the page several parts of wikipedia pages related to the word stadia rod and, of course, stadia rod synonyms and on the right images related to the word stadia rod.

Definition of stadia rod

stadia rod
Stadium Sta"di*um, n.; pl. Stadia. [L., a stadium (in sense 1), from Gr. ?.] 1. A Greek measure of length, being the chief one used for itinerary distances, also adopted by the Romans for nautical and astronomical measurements. It was equal to 600 Greek or 625 Roman feet, or 125 Roman paces, or to 606 feet 9 inches English. This was also called the Olympic stadium, as being the exact length of the foot-race course at Olympia. --Dr. W. Smith. 2. Hence, a race course; especially, the Olympic course for foot races. 3. A kind of telemeter for measuring the distance of an object of known dimensions, by observing the angle it subtends; especially (Surveying), a graduated rod used to measure the distance of the place where it stands from an instrument having a telescope, by observing the number of the graduations of the rod that are seen between certain parallel wires (stadia wires) in the field of view of the telescope; -- also called stadia, and stadia rod.

Meaning of stadia rod from wikipedia

- used for stadiametric rangefinding, the level staff is called a stadia rod. Levelling rods can be one piece, but many are sectional and can be shortened...
- telescope to the rod k is the stadia constant S is the difference between the rod readings at the two stadia marks For example, a typical stadia mark pair are...
- points on the stadia rod (the stadia interval). This is converted to distance from the instrument to the stadia rod by multiplying the stadia interval by...
- and levels. When using the stadia measuring method, a level staff or stadia rod is held so that it appears between two stadia marks visible on the instrument's...
- gnomon used by the Apollo astronauts was a gimballed stadia rod mounted on a tripod. While the rod's shadow indicated the direction of the Sun, the grayscale...
- at ratios of 100:1, in which case one metre between the stadia marks on the level staff (or rod) represents 100 metres from the target. The complete unit...
- horizontal line of sight, the distance to a vertical stadia rod (d) and the height of the stadia rod above the tacheometer (v) may be calculated as follows...
- Rhodes and Alexandria is 3,750 stadia, and reported Posidonius's estimate of the Earth's cir****ference to be 180,000 stadia or 18,000 mi (29,000 km). Pliny...
- relationship between the two. Marsh surface elevations may be measured with a stadia rod and transit, electronic theodolite, Real-Time Kinematic Global Positioning...
- A stadium (pl.: stadiums or stadia) is a place or venue for (mostly) outdoor sports, concerts, or other events and consists of a field or stage either...