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  • All fields: impervious
(9 results)



Display: 20

    • Lamp, safety

    • Coal miners -- Indiana -- Vermillion County -- Equipment and supplies; Mine safety -- Equipment and supplies; Mine lighting -- Equipment and supplies; Safety lamps;
    • This safety lamp belonged to John Richmond. The safety lamp featured an enclosed flame with a fine impervious mesh screen. If the lamp dimmed when raised to the ceiling it indicated too much gas and not enough oxygen in the mine.
    • Lamp, safety

    • Coal miners -- Indiana -- Vermillion County -- Equipment and supplies; Mine safety -- Equipment and supplies; Safety lamps; Mine lighting -- Equipment and supplies;
    • The miner's safety lamp featured an enclosed flame covered by a fine impervious mesh. If the flame dimmed when the lamp was raised to the ceiling it signalled too much gas and not enough oxygen in the mine.
    • Lamp, safety

    • Coal miners -- Indiana -- Vermillion County -- Equipment and supplies; Mine safety -- Equipment and supplies; Safety lamps; Mine lighting -- Equipment and supplies;
    • A miner's safety lamp. The safety lamp featured an enclosed flame with a fine impervious mesh screen. If the lamp dimmed when raised to the ceiling it indicated too much gas and not enough oxygen in the mine.
    • Lamp, safety

    • Coal miners -- Indiana -- Vermillion County; Mine safety -- Equipment and supplies; Safety lamps; Mine lighting -- Equipment and supplies;
    • The miner's safety lamp featured an enclosed flame covered by a fine impervious mesh. If the flame dimmed when the lamp was raised to the ceiling it signalled too much gas and not enough oxygen in the mine.
    • Lamp, safety

    • Coal miners -- Indiana -- Vermillion County -- Equipment and supplies; Mine tools; Mine lighting -- Equipment and supplies; Mine safety -- Equipment and supplies; Safety lamps; Wolf Safety Lamp Company;
    • A safety lamp manufactured by the Wolf Safety Lamp Company. The miner's safety lamp featured an enclosed flame covered by a fine impervious mesh. If the flame dimmed when the lamp was raised to the ceiling it signalled too much gas and not enough...
    • Lamp, safety

    • Coal miners -- Indiana -- Vermillion County -- Equipment and supplies; Safety lamps; Mine lighting -- Equipment and supplies;
    • A miner's safety lamp. The safety lamp featured an enclosed flame with a fine impervious mesh screen. If the lamp dimmed when raised to the ceiling it indicated too much gas and not enough oxygen in the mine.
    • Lamp, safety

    • Mine tools; Mine lighting -- Equipment and supplies; Coal miners -- Indiana -- Vermillion County -- Equipment and supplies; Mine safety -- Equipment and supplies;
    • A safety lamp. The miner's safety lamp featured an enclosed flame covered by a fine impervious mesh. If the flame dimmed when the lamp was raised to the ceiling it signalled too much gas and not enough oxygen in the mine.
    • Lamp, safety

    • Mine tools; Mine lighting -- Equipment and supplies; Coal miners -- Indiana -- Vermillion County -- Equipment and supplies; Mine safety -- Equipment and supplies;
    • A safety lamp. The miner's safety lamp featured an enclosed flame covered by a fine impervious mesh. If the flame dimmed when the lamp was raised to the ceiling it signalled too much gas and not enough oxygen in the mine.
    • Normal Advance 1914

    • Journalism; Indiana State Normal School; Education; Literature; College yearbooks;
    • A monthly journal written and published by the students and faculty of Indiana State Normal School. The last issue of the school year was dedicated to the graduating senios and printed in the style of an annual yearbook.

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