DE99741C - - Google Patents
Info
- Publication number
- DE99741C DE99741C DENDAT99741D DE99741DA DE99741C DE 99741 C DE99741 C DE 99741C DE NDAT99741 D DENDAT99741 D DE NDAT99741D DE 99741D A DE99741D A DE 99741DA DE 99741 C DE99741 C DE 99741C
- Authority
- DE
- Germany
- Prior art keywords
- movement
- machine
- air pump
- whistle
- bridge
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/02—Indicating direction only, e.g. by weather vane
- G01P13/04—Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Toys (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE99741C true DE99741C (cs) |
Family
ID=370595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT99741D Active DE99741C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE99741C (cs) |
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0
- DE DENDAT99741D patent/DE99741C/de active Active
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