Search results
Results from the WOW.Com Content Network
Surveyor's view of the levelling rod with the crosshair. This indicates a reading of 1.422 m, interpolated between the 1.420 m and 1.430 m marks. Rods come in two classes: Self-reading rods (sometimes called speaking rods). Target rods. Self-reading rods are rods that are read by the person viewing the rod through the telescope of the instrument.
Company Name Symbol C M Holdings: CSE: COLO.N0000: C T Holdings: CSE: CTHR.N0000: C T Land Development: CSE: CTLD.N0000: C. W. Mackie: CSE: CWM.N0000: Capital ...
Abans PLC also known as Abans Group is a Sri Lankan public limited company and a diversified conglomerate in Sri Lanka engaged in ICT, retail, manufacturing, logistics, commercial real estate and financial services. Abans predominantly functions mainly as a consumer retailer selling various electronic appliances, smart phones, laptops, cooking ...
Aban Pestonjee (Sinhala: අබාන් පෙස්ටොන්ජි) is the chairperson and founder of the Abans group of companies. She is known as one of the first entrepreneurs who initiated in first bringing Korean technology to Sri Lankan consumers.
The rod is used in levelling procedures to determine elevations and is read using a level. A Philadelphia 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.
An Ordnance Survey cut mark in the UK Occasionally a non-vertical face, and a slightly different mark, was used. The term benchmark, bench mark, or survey benchmark originates from the chiseled horizontal marks that surveyors made in stone structures, into which an angle iron could be placed to form a "bench" for a leveling rod, thus ensuring that a leveling rod could be accurately ...
The top mark is at 1,500 mm and the lower is at 1,345 mm; the distance between those two marks is 155 mm, yielding a distance to the rod of 15.5 m. Optical levelling, also known as spirit levelling and differential levelling, employs an optical level, which consists of a precision telescope with crosshairs and stadia marks.
Common levelling instruments include the spirit level, the dumpy level, the digital level, and the laser level. Levelling staff – specialized measuring stick or vertical staff used with the dumpy level, held by a second person while the operator of the level looks through it and takes readings off of the staff. Also call a rod. Reduced level ...