elma ox-hydrogen chemistry ?

thre is a lIt for the Elma ox-hydrogen torch that consists of boric acid
and potassium hydroxide

am I correct in assumin the potassium hydrogex is used to dry the gfas and
the boric acid to be mixed with wood alcohol so that the temperature of
the flam is decreased and the boric acid deposited acting as a flux?
the reason i am asking is that i have a old oxy-hydrogen torch (googling
not to helpful) no manuals an would like to try getting it working
any info is appreciated

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