A briefe discourse of the hypostasis, or substance of the water of Spaw; containing in small quantity many pots of that minerall water Verie profitable for such patients, as cannot repaire in person to those fountaines, as by perusing this discourse, it will plainly appeare. Translated out of French into English, by G.T. This abouesaide hypostasis, or substance of the water of Spaw, is to be sold by Doctor Hieronimus Seminus, Italian, dwelling in S. Paules Alley, in Red-crosse-street.

[4], 11, [1] p. ; Partly based on the French version of "De acidis fontibus sylvae Arduennae, praesertim eo qui in Spa visitur, libellus" by Gilbert Fuchs, referred to as "Gilbert Lembourgh" on B2r. ; Printer's name supplied and publication date conjectured by STC. ; The first leaf is blank. ; Reproduction of the original in the British Library.