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- Philadelphia_rod abstract "A Philadelphia rod is a level staff used in surveying. The rod is used in leveling procedures to determine elevations. It is read using a level. A Philadelphia Level Rod consists of two sliding sections graduated in hundredths of a foot. On the front of the rod the graduation increasing from zero at the bottom. On the back of the rod the graduation decrease from 13.09 ft at the bottom to 7 ft. The division of the device in two sliding sections are devised for ease of support. Readings of 7 ft or less, and up to 13 ft can be measured. It has a rear section that slides on the front section. The rod must be fully extended, when higher measurements are needed to avoid reading errors. Distances of up to 250' may be read. \t\tThe rod may be equipped with a target to increase the readable range of the rod. When the target is equipped with a Vernier scale measurements to the thousands of a foot are possible. For readings less than 7 ft the target is attached on the bottom section of the rod and adjust by signals from level operator until the target is inline with the level's horizontal cross hair. For readings greater than 7 ft the target is attached to top section of the rod and the top section is raised/lowered until it the target intersects with the cross hair of the level. The rod is then locked and the zero of Vernier scale on the back of the rod will be aligned with the target's height.".
- Philadelphia_rod wikiPageID "34745681".
- Philadelphia_rod wikiPageLength "2073".
- Philadelphia_rod wikiPageOutDegree "6".
- Philadelphia_rod wikiPageRevisionID "705385654".
- Philadelphia_rod wikiPageWikiLink Category:Surveying_instruments.
- Philadelphia_rod wikiPageWikiLink Dumpy_level.
- Philadelphia_rod wikiPageWikiLink Level_staff.
- Philadelphia_rod wikiPageWikiLink Levelling.
- Philadelphia_rod wikiPageWikiLink Surveying.
- Philadelphia_rod wikiPageWikiLink Vernier_scale.
- Philadelphia_rod wikiPageWikiLinkText "Philadelphia rod".
- Philadelphia_rod wikiPageWikiLinkText "rod".
- Philadelphia_rod wikiPageUsesTemplate Template:Reflist.
- Philadelphia_rod subject Category:Surveying_instruments.
- Philadelphia_rod hypernym Staff.
- Philadelphia_rod type Instrument.
- Philadelphia_rod type Organisation.
- Philadelphia_rod type Instrument.
- Philadelphia_rod comment "A Philadelphia rod is a level staff used in surveying. The rod is used in leveling procedures to determine elevations. It is read using a level. A Philadelphia Level Rod consists of two sliding sections graduated in hundredths of a foot. On the front of the rod the graduation increasing from zero at the bottom. On the back of the rod the graduation decrease from 13.09 ft at the bottom to 7 ft. The division of the device in two sliding sections are devised for ease of support.".
- Philadelphia_rod label "Philadelphia rod".
- Philadelphia_rod sameAs Q7182877.
- Philadelphia_rod sameAs m.0j3gr2w.
- Philadelphia_rod sameAs Q7182877.
- Philadelphia_rod wasDerivedFrom Philadelphia_rod?oldid=705385654.
- Philadelphia_rod isPrimaryTopicOf Philadelphia_rod.