JPH0533925Y2 - - Google Patents
Info
- Publication number
- JPH0533925Y2 JPH0533925Y2 JP4845688U JP4845688U JPH0533925Y2 JP H0533925 Y2 JPH0533925 Y2 JP H0533925Y2 JP 4845688 U JP4845688 U JP 4845688U JP 4845688 U JP4845688 U JP 4845688U JP H0533925 Y2 JPH0533925 Y2 JP H0533925Y2
- Authority
- JP
- Japan
- Prior art keywords
- level
- tunnel
- spirit level
- shaped
- reference surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000005484 gravity Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4845688U JPH0533925Y2 (2) | 1988-04-11 | 1988-04-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4845688U JPH0533925Y2 (2) | 1988-04-11 | 1988-04-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01151206U JPH01151206U (2) | 1989-10-19 |
| JPH0533925Y2 true JPH0533925Y2 (2) | 1993-08-27 |
Family
ID=31274604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4845688U Expired - Lifetime JPH0533925Y2 (2) | 1988-04-11 | 1988-04-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0533925Y2 (2) |
-
1988
- 1988-04-11 JP JP4845688U patent/JPH0533925Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01151206U (2) | 1989-10-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3545091A (en) | Universal spirit level | |
| US5940978A (en) | Builder's level with hand-grip feature | |
| US1845801A (en) | Universal plumb level | |
| US3435533A (en) | Universal level | |
| US6002473A (en) | Optical level and square | |
| US3597090A (en) | Levelling instrument using a reflective pendulum | |
| US3173211A (en) | Bisecting device | |
| US3934353A (en) | Surveying instrument | |
| US2407960A (en) | Transit level | |
| KR0130506Y1 (ko) | 암 절리면의 경사 방향과 경사각의 측정장치 | |
| GB2348953A (en) | Spirit level device | |
| US4763419A (en) | Optical viewing system | |
| US2474466A (en) | Ijnitfn statfs patfnt officf | |
| AU2018100746A4 (en) | Didactic theodolite measuring instrument which makes it possible to interpret an interactive form the trigonometric and geometric reasoning usable in the pedagogy | |
| SU823888A1 (ru) | Способ определени углового поло-жЕНи B СиСТЕМЕ КООРдиНАТ НОСиТЕл и элЕМЕНТОВ ВНуТРЕННЕгО ОРиЕНТиРОВА-Ни СЪЕМОчНОгО уСТРОйСТВА | |
| SU1795278A1 (en) | Device for measurement of azimuthal direction | |
| US1153098A (en) | Appliance for measuring and computing heights and distances. | |
| SU777416A1 (ru) | Устройство дл определени направлени линии | |
| SU1128293A1 (ru) | Способ передачи азимута и координат в подземные горные выработки | |
| ES2394825B2 (es) | Cruceta auxiliar plegable con sistema de nivelación para rectificación en procedimientos de inspección básica de puentes de fábrica. | |
| EP0497683A1 (en) | Distance measuring method and apparatus | |
| US2802389A (en) | Reflecting angle measuring surveying instrument | |
| SU1525462A1 (ru) | Устройство дл геодезических измерений | |
| JPS6319189Y2 (2) | ||
| JPH041450Y2 (2) |