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)
- Drawing Aids And Blackboards (AREA)
- Length-Measuring Instruments Using Mechanical Means (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 |
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