Wolf Flame Safety Lamp: Many Bright Ideas скачать в хорошем качестве

Wolf Flame Safety Lamp: Many Bright Ideas

Welp: just after I published my mining safety lamp video, I came across another lamp with a lot of fascinating design features not covered in my previous video. Invented by German mining engineer Carl Wolf in the 1880s, the Wolf Safety Lamp was the first to run on benzene rather than oil. This example, manufactured by the Wold Safety Lamp Company of Lead, England, in the 1910, incorporates a number of other fascinating design features, including a primer tape friction relighter and a Cunyghame-Cadman Device for firedamp detection. Mine Safety Lamps Video:    • Mining Safety Lamps: a Light in Dark ...   Carbide Lamp Video:    • Carbide Lamps: the Caver's Friend   0:00 Introduction 1:13 History of Friemann & Wolf GMBH 4:14 Wolf Safety Lamp Company Ltd. 4:47 External Design and Variations 6:21 Percussion / Friction Igniters 9:11 Friction Igniter Disassembly 9:45 Fuel Tank and Wick 10:03 Firedamp Detection Devices 12:34 Cunyghame-Cadman Device 13:13 Gas Testing Shutter 13:22 Outro SOURCES https://mineralogicalrecord.com/wp-co... https://mineralogicalrecord.com/wp-co... https://mineralogicalrecord.com/wp-co... http://www.mininghistoryassociation.o... https://libguides.staffs.ac.uk/c.php?... http://www.dmm.org.uk/news19/9270521e... https://england.prm.ox.ac.uk/englishn... https://patents.google.com/patent/US6... https://patents.google.com/patent/US3... https://patents.google.com/patent/US1... https://mineralogicalrecord.com/wp-co... https://www.nature.com/articles/08639... https://digital.library.unt.edu/ark:/... http://www.geocities.ws/minerslamps/P... https://www.worthpoint.com/worthopedi...