History: Fuel Gas Cylinder
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r193840 · current
- Created Fuel Gas Cylinder (part): "Supplies the hydrogen or propane that the glassworking torch burns with oxygen to seal quartz ampoules. Hydrogen (CGA 350) for a hotter, soot-free flame or propane (CGA 510) at lower cost, in a small cylinder usually leased from a local distributor, with its own regulator."