GB646256A - Improvements in scale-reading verniers - Google Patents
Improvements in scale-reading verniersInfo
- Publication number
- GB646256A GB646256A GB2025148A GB2025148A GB646256A GB 646256 A GB646256 A GB 646256A GB 2025148 A GB2025148 A GB 2025148A GB 2025148 A GB2025148 A GB 2025148A GB 646256 A GB646256 A GB 646256A
- Authority
- GB
- United Kingdom
- Prior art keywords
- scale
- vernier
- verniers
- engraved
- illuminated
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/002—Details
- G01B3/004—Scales; Graduations
- G01B3/006—Scales; Graduations having both coarse and fine graduation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
646,256. Verniers. HILGER & WATTS, Ltd., and BATY, J. A. July 29, 1948, No. 20251. [Class 106 (ii) An illuminated vernier scale for direct observation or projection systems, comprises a main scale (Fig. 2) having an opaque background with translucent scale lines m engraved thereon and a vernier scale (Fig. 3) which is also opaque with translucent slots f engraved as shown. The two scales are super-imposed within a frame e so that only the lines actually coincident are visible, as shown in Fig. 1. The fiducial line g, numerals h, and slots on the vernier scale may be illuminated by edge lighting the vernier material in known manner.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2025148A GB646256A (en) | 1948-07-29 | 1948-07-29 | Improvements in scale-reading verniers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2025148A GB646256A (en) | 1948-07-29 | 1948-07-29 | Improvements in scale-reading verniers |
Publications (1)
Publication Number | Publication Date |
---|---|
GB646256A true GB646256A (en) | 1950-11-15 |
Family
ID=10142895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2025148A Expired GB646256A (en) | 1948-07-29 | 1948-07-29 | Improvements in scale-reading verniers |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB646256A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3060584A (en) * | 1958-02-26 | 1962-10-30 | Westfall Robert | Vernier caliper |
CN109798814A (en) * | 2019-04-01 | 2019-05-24 | 桂林电子科技大学 | A kind of easy-to-read vernier caliper |
-
1948
- 1948-07-29 GB GB2025148A patent/GB646256A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3060584A (en) * | 1958-02-26 | 1962-10-30 | Westfall Robert | Vernier caliper |
CN109798814A (en) * | 2019-04-01 | 2019-05-24 | 桂林电子科技大学 | A kind of easy-to-read vernier caliper |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB646256A (en) | Improvements in scale-reading verniers | |
GB768431A (en) | Improvements in or relating to visual indicators | |
GB851749A (en) | A new technique and means for rendering printed matter invisible | |
GB619842A (en) | Improved means for showing the position of a rotary knob of an electric switch or other device | |
GB718479A (en) | Improvements in drawing equipment | |
ES160952U (en) | Electric switch. (Machine-translation by Google Translate, not legally binding) | |
GB686960A (en) | Illuminated indicator knob for control panels | |
GB673861A (en) | Improvements in or relating to phase contrast microscopes | |
ES13406U (en) | Scale for radio and similar devices. (Machine-translation by Google Translate, not legally binding) | |
GB589748A (en) | Device for the re-education and/or gymnastics of the eyes | |
GB650563A (en) | Direction indicator signs and means for making same | |
GB374925A (en) | Improvements in or relating to signs | |
GB365944A (en) | Improvements in scales for enlarging and reducing drawings and plans | |
ES14727U (en) | Letters, drawings or commercial signs intended for advertising and signs. (Machine-translation by Google Translate, not legally binding) | |
GB904616A (en) | Graduation support | |
GB613448A (en) | Improvements relating to viewing or drawing tables or boards | |
ES16404U (en) | Letter about (Machine-translation by Google Translate, not legally binding) | |
GB658621A (en) | Improvements relating to indicating devices or to measuring and indicating devices incorporating verniers | |
GB660853A (en) | Improvements in or relating to linear measuring scales | |
GB910503A (en) | Improvements in or relating to stencils | |
GB865034A (en) | Improvements in or relating to weighing apparatus | |
GB534905A (en) | Improvements in or relating to compass cards for magnetic compasses | |
GB643590A (en) | Improvements in optical scale-reading systems | |
ES16640U (en) | Philatelic dentist. (Machine-translation by Google Translate, not legally binding) | |
ES40291U (en) | Movable and adjustable support for the fixation of indicator and/or figurative elements, illuminated by transparency by tubular lamps of any kind (Machine-translation by Google Translate, not legally binding) |