DE239639C - - Google Patents
Info
- Publication number
- DE239639C DE239639C DENDAT239639D DE239639DA DE239639C DE 239639 C DE239639 C DE 239639C DE NDAT239639 D DENDAT239639 D DE NDAT239639D DE 239639D A DE239639D A DE 239639DA DE 239639 C DE239639 C DE 239639C
- Authority
- DE
- Germany
- Prior art keywords
- firedamp
- gases
- lamp
- air
- flame
- 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
- 239000007789 gas Substances 0.000 claims description 11
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 11
- 238000012360 testing method Methods 0.000 description 3
- 230000003760 hair shine Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 241000217776 Holocentridae Species 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010998 test method Methods 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- General Engineering & Computer Science (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE239639C true DE239639C (enrdf_load_stackoverflow) |
Family
ID=499065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT239639D Active DE239639C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE239639C (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1177376B (de) * | 1960-10-17 | 1964-09-03 | Helene Viktoria Von Rosen Geb | Sicherheitsgrubenlampe |
-
0
- DE DENDAT239639D patent/DE239639C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1177376B (de) * | 1960-10-17 | 1964-09-03 | Helene Viktoria Von Rosen Geb | Sicherheitsgrubenlampe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE239639C (enrdf_load_stackoverflow) | ||
| DE547835C (de) | Vorrichtung zur Ermittelung der Abmessungen von Koerpern mittels stroemender Gase | |
| DE403621C (de) | Sicherheitsgrubenlampe | |
| DE253424C (de) | Gasglühlichtbrenner mit Invertglühkörper und zentral von unten in den Glühkörper hineinragendem Brennerrohr | |
| DE727842C (de) | Vorrichtung zum restlosen Verbrennen von Gasen in Brennern jeglicher Art und Verfahren zum Messen des Heizwertes von Gasen und zum Bestimmen von Gasspuren in der Luft oder des Sauerstoffgehalts der Luft | |
| AT86844B (de) | Einrichtung zum selbsttätigen Anzünden und Auslöschen von Gasbrennern, Kandelabern u. dgl. in vorausbestimmten Zeitpunkten. | |
| DE14594C (de) | Neuerungen an Gasbrennern | |
| DE117995C (enrdf_load_stackoverflow) | ||
| DE2021633C3 (de) | Verfahren und Vorrichtung zur mikroskopischen Reinheits- und/oder Farbgraduierung geschliffener Diamanten | |
| DE410038C (de) | Schlagwetteranzeigende Grubenlampe | |
| DE14823C (de) | Neuerung an Argandbrennern mit doppeltem Ring | |
| DE116735C (enrdf_load_stackoverflow) | ||
| DE136992C (enrdf_load_stackoverflow) | ||
| DE249453C (enrdf_load_stackoverflow) | ||
| DE533376C (de) | Verfahren und Einrichtung zur Bestimmung und Aufzeichnung der Entzuendungsgeschwindigkeit von Gasgemischen | |
| DE930623C (de) | Sturmlaterne | |
| DE225910C (enrdf_load_stackoverflow) | ||
| DE151121C (enrdf_load_stackoverflow) | ||
| DE34297C (de) | Flammen-Regulirvorrichtung für Gasbrenner | |
| DE698664C (de) | Optische Einrichtung fuer Flammenspektralanalyse | |
| AT145782B (de) | Verfahren und Vorrichtung zur Kennzeichnung der Beschaffenheit von Brenngasen unter Verwendung eines Bunsenbrenners. | |
| DE36279C (de) | Luftzuführungs- und Gasausströmungs - Regulator für Kohlenwasserstoff-Dampfbrenner | |
| DE107779C (enrdf_load_stackoverflow) | ||
| DE246101C (enrdf_load_stackoverflow) | ||
| DE193795C (enrdf_load_stackoverflow) |