NASA NTRS · 19770000305
Fireman's lamp
Abstract
Rugged lamp used by miners is adapted for firefighters by utilization of smaller, rechargeable 3-hour-life gel-cell battery. Lighter, maintenance free unit can be clipped to outer clothing for convenience. Small monitor circuit indicates need to recharge battery.
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Britz, W. J., Varnedoe, W. W., Jr.. 1977-11-01. Fireman's lamp. https://ntrs.nasa.gov/citations/19770000305
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