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2. Mining lamp - Wikipedia

   en.wikipedia.org/wiki/Mining_lamp

   1909 Cap (helmet) lamps introduced in Scotland 1911 Prize offered for best electrical lamp 1911 Coal Mines Act made requirements for pit managers to take examinations, where can be used (including electrical), etc. 1920 Electrical lamp with built in accumulator 1924 Miners Lamp Committee – tests and recommendations

3. Carbide lamp - Wikipedia

   en.wikipedia.org/wiki/Carbide_lamp

   An acetylene gas miner's lamp. A carbide lamp or acetylene gas lamp is a simple lamp that produces and burns acetylene (C 2 H 2), which is created by the reaction of calcium carbide (CaC 2) with water (H 2 O). [1] Acetylene gas lamps were used to illuminate buildings, as lighthouse beacons, and as headlights on motor-cars and bicycles. Portable ...

4. Safety lamp - Wikipedia

   en.wikipedia.org/wiki/Safety_lamp

   Rimmer, D & others Clanny, Stephenson and Davy: commemorating the bicentenary of the miners safety lamps. Miners Lamp Collectors Society, 2015; Watson, W.F. The invention of the miners safety lamp: a reappraisal Transactions, Newcomen Society 70(1) 1998-9, 135-141 "to settle the disputed features of the lamps of Clanny, Davy and Stephenson"

5. 9 Antique Items You Could Sell for Thousands of Dollars

   www.aol.com/finance/9-antique-items-could-sell...

   Star Wars Kenner Vintage 1977 to 1985 Complete Lot of 102 Figures: Price on eBay is $38,500 Vintage 1985 Cabbage Patch Kids Doll In Original Box With Birth Certificate: The price on eBay is $5,000 ...

6. Sisters discover lamp worth $125,000 on 'Antiques Roadshow' - AOL

   www.aol.com/news/2014-06-24-sisters-discover...

   We then got an update that the lamp is now worth between $250,000 and $300,000 dollars! ... The lamp dates from 1905 and has the "rose helmet" shade design. ... on Overstock.com in the same price ...

7. Cap lamp - Wikipedia

   en.wikipedia.org/wiki/Cap_lamp

   The two most recent variants of the cap lamp are the GEN 4 and GEN 5 models. The GEN 4 model, approved for use by the Mine Safety and Health Administration (MHSA), uses the headpiece of existing cap lamps, but retrofitted with new LEDs and electronics. The GEN 5 model is very similar to the GEN 4 model except with a more intense spot beam that ...

8. 10 Old Tech Gadgets Worth a Pretty Penny Today

   www.aol.com/10-old-tech-gadgets-worth-140005518.html

   While well-preserved vintage consoles can sell for anywhere from $100 to $500, rare editions that include games like “Air Raid,” “Frogger,” and “Donkey Kong” can command much higher ...

9. Headlamp (outdoor) - Wikipedia

   en.wikipedia.org/wiki/Headlamp_(outdoor)

   These lamps consisted of an incandescent lamp with a reflector, and a belt-mounted wet-cell storage battery [citation needed] sized to power the lamp for the entire working shift. [citation needed] After 12 hours a 1917-era miner's lamp produced less than one candlepower and about 2 to 5 total lumens. [3] This pattern became popular for similar ...