DE144621C - - Google Patents
Info
- Publication number
- DE144621C DE144621C DENDAT144621D DE144621DA DE144621C DE 144621 C DE144621 C DE 144621C DE NDAT144621 D DENDAT144621 D DE NDAT144621D DE 144621D A DE144621D A DE 144621DA DE 144621 C DE144621 C DE 144621C
- Authority
- DE
- Germany
- Prior art keywords
- rod
- brush ring
- ring
- wick
- lamp
- 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
- 239000011521 glass Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L23/00—Non-electric hand-lamps for miners
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE144621C true DE144621C (pt) |
Family
ID=412020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT144621D Active DE144621C (pt) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE144621C (pt) |
-
0
- DE DENDAT144621D patent/DE144621C/de active Active
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