The patents and their transcriptions, four forums, the bench notes and the glossary — one
index, ranked together, so a claim in a patent and the thread arguing about it come back side
by side.
Cited prior art · Charles E Lucke · Babcock and Wilcox Co · United States · 1939
used for auxiliary purposes. The advantage of this arrangement of using all of nected pipes 73 and 74 to a combined steam the steam with a small pressure drop instead