elinoroberts: A lightbulb moment
elinoroberts: Keeping pressure
elinoroberts: The final connection
elinoroberts: Sealing off
elinoroberts: Tempering
elinoroberts: Heating the join
elinoroberts: Straightening up
elinoroberts: A drop of Mercury
elinoroberts: Heating the glass
elinoroberts: Adjusting the flame
elinoroberts: Final test