B. bis = twice; balneum, bath.
B.M. balneum Mariae = water-bath; b. maris, sea-water bath
Deus opt. max Deus optimus maximus = The best and greatest God.
opt. optimus = best
q. p. quantum placet = as much you can put
q. s. quantum satis, quantum sufficit = as much as needed
q. v. quantum vis, quantum volueris = as much as you want
s. a. secundum artem = according to art
S. V. It seems to be Spiritus Vini.