20:01 play_arrow Smaller Chamber Comparison Vid 1 - 55.9 TheBlackDragon visibility 9 schedule πριν 6 χρόνια favorite
20:01 play_arrow Smaller Chamber Comparison vid 2 VACUUM - 67.3 TheBlackDragon visibility 4 schedule πριν 6 χρόνια favorite
20:01 play_arrow Bigger Chamber Co2 Vid 1 - 39.5 TheBlackDragon visibility 5 schedule πριν 6 χρόνια favorite
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20:01 play_arrow CO2 in bulb vid 1 - with comments 40.3 TheBlackDragon visibility 5 schedule πριν 6 χρόνια favorite
20:01 play_arrow CO2 in bulb vid 2 - with comments 42.8 TheBlackDragon visibility 2 schedule πριν 6 χρόνια favorite