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- Methanometer abstract "A methanometer is an instrument used to measure methane gas in the air of a mine. The Mine Safety Appliances Company Ltd. manufactured the first type - W8 Methanometer around 1950 and it was approved for use by the Ventilation Regulations of 1947. The Methanometer could be powered by an Edison battery cap lamp and it could be carried on a miner's belt with other tools. Methane is the main gas present in firedamp. It is highly explosive and had previously been detected by the blue halo effect it gave to the flame of a safety lamp.By 1983, several instruments for measuring methane concentration in air had been developed. These relied on such methods as the differential heating of an incandescent platinum filament, or by measuring the higher absorption of infrared radiation by gas containing methane.".
- Methanometer thumbnail CLOSEUP_OF_MINE_SAFETY_DEVICES_AS_SHOWN_AT_A_KENTUCKY_STATE_MINE_SAFETY_CONTEST_HELD_IN_BENHAM,_NEAR_CUMBERLAND._FROM..._-_NARA_-_556592.jpg?width=300.
- Methanometer wikiPageID "31323964".
- Methanometer wikiPageLength "2733".
- Methanometer wikiPageOutDegree "16".
- Methanometer wikiPageRevisionID "601847691".
- Methanometer wikiPageWikiLink Catalysis.
- Methanometer wikiPageWikiLink Catalyst_poisoning.
- Methanometer wikiPageWikiLink Category:Measuring_instruments.
- Methanometer wikiPageWikiLink Category:Mine_safety.
- Methanometer wikiPageWikiLink Davy_lamp.
- Methanometer wikiPageWikiLink Electrical_resistance_and_conductance.
- Methanometer wikiPageWikiLink Firedamp.
- Methanometer wikiPageWikiLink Gas_detector.
- Methanometer wikiPageWikiLink Hard_hat.
- Methanometer wikiPageWikiLink Methane.
- Methanometer wikiPageWikiLink Mine_Safety_Appliances.
- Methanometer wikiPageWikiLink Nickel–iron_battery.
- Methanometer wikiPageWikiLink Safety_lamp.
- Methanometer wikiPageWikiLink Sulfur.
- Methanometer wikiPageWikiLink Wheatstone_bridge.
- Methanometer wikiPageWikiLink File:CLOSEUP_OF_MINE_SAFETY_DEVICES_AS_SHOWN_AT_A_KENTUCKY_STATE_MINE_SAFETY_CONTEST_HELD_IN_BENHAM,_NEAR_CUMBERLAND._FROM..._-_NARA_-_556592.jpg.
- Methanometer wikiPageUsesTemplate Template:Multiple_issues.
- Methanometer wikiPageUsesTemplate Template:Orphan.
- Methanometer wikiPageUsesTemplate Template:Refimprove.
- Methanometer wikiPageUsesTemplate Template:Technology-stub.
- Methanometer subject Category:Measuring_instruments.
- Methanometer subject Category:Mine_safety.
- Methanometer hypernym Instrument.
- Methanometer type Agent.
- Methanometer type Instrument.
- Methanometer type Instrument.
- Methanometer type Tool.
- Methanometer comment "A methanometer is an instrument used to measure methane gas in the air of a mine. The Mine Safety Appliances Company Ltd. manufactured the first type - W8 Methanometer around 1950 and it was approved for use by the Ventilation Regulations of 1947. The Methanometer could be powered by an Edison battery cap lamp and it could be carried on a miner's belt with other tools. Methane is the main gas present in firedamp.".
- Methanometer label "Methanometer".
- Methanometer sameAs Q6823594.
- Methanometer sameAs m.0gj9z2s.
- Methanometer sameAs Q6823594.
- Methanometer wasDerivedFrom Methanometer?oldid=601847691.
- Methanometer depiction CLOSEUP_OF_MINE_SAFETY_DEVICES_AS_SHOWN_AT_A_KENTUCKY_STATE_MINE_SAFETY_CONTEST_HELD_IN_BENHAM,_NEAR_CUMBERLAND._FROM..._-_NARA_-_556592.jpg.
- Methanometer isPrimaryTopicOf Methanometer.