与 «DUMPY LEVEL»相关的英语书籍
在以下的参考文献中发现
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The dumpy level consists of a telescope, bubble tube, and leveling head
containing the spindle (Figure 8-5). 8-5-2. Dumpy Level: Principal Adjustments
Due to their simple construction, dumpy levels have only two principal
adjustments: (1) ...
Russell Charles Brinker, Roy Minnick,
1995
A dumpy level consists of a telescope with a spirit level mounted in parallel with
the line-of-sight of the telescope. The telescope will have at least one horizontal
crosshair, mounted inline with the line-of-sight, and usually will have a vertical ...
5.3 TYPES OF LEVELLING INSTRUMENTS The types of levelling instruments
are — dumpy level, wye level, tilting level and reversible level. Out of the above
four levels, dumpy level is extensively used by the field engineers for general ...
Mimi Das Saikia, Madan Mohan Das,
2010
The modern form of dumpy level has the telescope tube and the vertical spindle
cast in one piece and a long bubble tube is attached to the top of the telescope.
This form is known as solid dumpy. Fig. 9.2 shows the diagrammetic sketch of a ...
5
Building Your Straw Bale Home: From Foundations to the Roof
Any decent building equipment hire company will be able to hire you either a
dumpy level or a laser level. The dumpy level is simple to use and accurate to a
few millimetres, more than sufficient for the initial site inspection. Ensure that you
get ...
6
Surveying and Levelling
12.2 FIRST ADJUSTMENT OF DUMPY LEVEL [ADJUSTMENT OF LEVEL TUBE]
Test: To check whether the axis of the bubble tube is perpendicular to the vertical
axis, test may be conducted as explained below: 1. Set up the dumpy level on ...
7
Operator, Organizational, Direct and General Support, and ...
The operator must know how to perform every operation of which the dumpy level
is capable. This section gives instructions on handling and preparation for
operation of the dumpy level basic motions to perform the specific tasks for which
the ...
8
FCS Construction Plant and Equipment L2
The line of collimation ^ Dictionary dumpy: short and thick Figure 3.17 The line of
collimation Dumpy level The dumpy level gets its name because the original
level, invented by William Gravatt, had a dumpy telescope. Over time, the dumpy
...
Janice Barrett, Behardien Behardien,
2007
9
Glossary of Mapping Science
The dumpy level is characterized by the way in which the telescope is mounted
however, and not by the shape of the instrument. It constitutes one of the two
principal classes to which most leveling instruments used in surveying belong.
American Society of Civil Engineers,
1994
Figure 62 Stanlev builder's dumpy level Engineer's dumpy level The term
engineer's dumpy level is applied to a level which has its telescope permanently
fixed parallel to the horizontal axis of the body of the instrument. This means that
the ...
包含词语«DUMPY LEVEL»的新条目
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Seabees Create a Buzz at Eager Lion 2015
BU2 Ryan Fenton, assigned to Commander, Task Group (CTG) 56.2, uses a dumpy level to check the elevation of the floor framing being ... «Seabee Magazine, 五月 15»
Morrison events helps Highland youngsters build a career in …
The delegates then used construction drawings, a dumpy level device and tape measure in a road planning exercise. Other participating ... «Scottish Construction Now, 五月 15»
A day at the museum
NC Scriber, which were used to create or change drawings, hand press, binoculars, trough compass, tracing table, dumpy level, optical square, ... «The Hindu, 五月 14»
Getting mastectomy doesn't make me brave, says Mandy Squires
... back together again in different order, after being marked out with a black texta by a plastic surgeon looking through a builder's dumpy level. «NEWS.com.au, 五月 13»
Building a horse-riding arena: Thinking outside the rectangle
Use of a laser or dumpy level is essential to ensure the falls are correct to get water off the arena. A lack of care here will result in pooling and ... «Horsetalk, 十月 12»
iPhone App To Calculate Surface Level - Dumpy Level
Dumpy level is not just used for leveling pictures and table tops but also this serve as engineering tool, with the ability to adjust automatically ... «prMac, 十月 11»
How to Build a Low Cost Cabin
... heated and bent at a right angle) head-down into each of the ten outer piers ... then — with the aid of a borrowed dumpy level — I evened up all the columns. «Mother Earth News, 五月 11»
Impact of reduced flush volumes
Initial gradients were achieved accurately by the use of a dumpy level, which proved to be very successful in achieving a continuous and ... «Construction Week Online, 九月 09»