DE299038C - - Google Patents
Info
- Publication number
- DE299038C DE299038C DENDAT299038D DE299038DA DE299038C DE 299038 C DE299038 C DE 299038C DE NDAT299038 D DENDAT299038 D DE NDAT299038D DE 299038D A DE299038D A DE 299038DA DE 299038 C DE299038 C DE 299038C
- Authority
- DE
- Germany
- Prior art keywords
- scale
- sound
- speed
- fixed
- stopwatch
- 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
- 238000005259 measurement Methods 0.000 claims description 3
- 241000669069 Chrysomphalus aonidum Species 0.000 claims 1
- 241000189705 Dunedin group Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
- G04B47/06—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached measuring instruments, e.g. pedometer, barometer, thermometer or compass
- G04B47/061—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached measuring instruments, e.g. pedometer, barometer, thermometer or compass calculating scales for indicating relationship between quantity and time
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE299038C true DE299038C (OSRAM) |
Family
ID=553178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT299038D Active DE299038C (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE299038C (OSRAM) |
-
0
- DE DENDAT299038D patent/DE299038C/de active Active
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