CA967358A - Optical plumb bob and method - Google Patents
Optical plumb bob and methodInfo
- Publication number
- CA967358A CA967358A CA181,940A CA181940A CA967358A CA 967358 A CA967358 A CA 967358A CA 181940 A CA181940 A CA 181940A CA 967358 A CA967358 A CA 967358A
- Authority
- CA
- Canada
- Prior art keywords
- plumb bob
- optical plumb
- optical
- bob
- plumb
- 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
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA181,940A CA967358A (en) | 1973-09-26 | 1973-09-26 | Optical plumb bob and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA181,940A CA967358A (en) | 1973-09-26 | 1973-09-26 | Optical plumb bob and method |
Publications (1)
Publication Number | Publication Date |
---|---|
CA967358A true CA967358A (en) | 1975-05-13 |
Family
ID=4097903
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA181,940A Expired CA967358A (en) | 1973-09-26 | 1973-09-26 | Optical plumb bob and method |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA967358A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4448528A (en) * | 1981-12-07 | 1984-05-15 | Mcmanus Acie J | Portable laser vertical collimator and plumb line indicator |
CN102788594A (en) * | 2012-07-26 | 2012-11-21 | 中国华冶科工集团有限公司 | Centralizer correction method for total-station instrument or transit instrument |
-
1973
- 1973-09-26 CA CA181,940A patent/CA967358A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4448528A (en) * | 1981-12-07 | 1984-05-15 | Mcmanus Acie J | Portable laser vertical collimator and plumb line indicator |
CN102788594A (en) * | 2012-07-26 | 2012-11-21 | 中国华冶科工集团有限公司 | Centralizer correction method for total-station instrument or transit instrument |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1022333A (en) | Plumb light | |
CA980897A (en) | Laser gyroscope | |
CA972596A (en) | Optical lens construction | |
CA1031540A (en) | Eyeglass neckstrap | |
AU474554B2 (en) | Optical measuring apparatus | |
AU475394B2 (en) | Optical fibres | |
AU471759B2 (en) | Optical components | |
AU507010B2 (en) | Optical analysis container | |
CA1009066A (en) | Internally gimballed compass | |
AU7964975A (en) | Laser | |
AU507714B2 (en) | Optical metronome | |
CA1012806A (en) | Slab-coupled optical waveguide | |
AU474504B2 (en) | Optical fibres | |
AU506932B2 (en) | Optical system | |
CA967358A (en) | Optical plumb bob and method | |
CA979096A (en) | Communication bridge | |
CA1031770A (en) | Penicillins | |
CA972195A (en) | Optical prism | |
CA1031074A (en) | Well surveying apparatus | |
GB1548580A (en) | Phototropic glass | |
AU562065B2 (en) | Glass retaining means | |
CA1018344A (en) | Glass for laser use | |
CA964630A (en) | Dispositif electromecanique pour le controle de validite de cartes perforees | |
AU479055B2 (en) | Retention-suture bridge | |
AU489511B1 (en) | Cladding |