DE146788C - - Google Patents
Info
- Publication number
- DE146788C DE146788C DENDAT146788D DE146788DA DE146788C DE 146788 C DE146788 C DE 146788C DE NDAT146788 D DENDAT146788 D DE NDAT146788D DE 146788D A DE146788D A DE 146788DA DE 146788 C DE146788 C DE 146788C
- Authority
- DE
- Germany
- Prior art keywords
- rulers
- ruler
- subject
- rail
- scale
- 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.)
- Active
Links
- 210000001138 Tears Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L7/00—Straightedges
- B43L7/10—Plural straightedges relatively movable
- B43L7/12—Square and pivoted straightedges
- B43L7/125—Comprising at least two straightedges remaining parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L7/00—Straightedges
- B43L7/10—Plural straightedges relatively movable
- B43L7/12—Square and pivoted straightedges
Landscapes
- Drawing Aids And Blackboards (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE146788C true DE146788C (es) |
Family
ID=414026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT146788D Active DE146788C (es) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE146788C (es) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2495694A (en) * | 1948-09-08 | 1950-01-31 | Hubert C Cain | Mechanical resector |
| US2875523A (en) * | 1957-10-24 | 1959-03-03 | William A Fay | Rafter guide |
-
0
- DE DENDAT146788D patent/DE146788C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2495694A (en) * | 1948-09-08 | 1950-01-31 | Hubert C Cain | Mechanical resector |
| US2875523A (en) * | 1957-10-24 | 1959-03-03 | William A Fay | Rafter guide |
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