. . . "Prcipiolum: or The immature-mineral-electrum The first metall: which is the minera of mercury. By Joh. Bapt. Van-Helmont"@en . "Præcipiolum <engl.>" . . "Early works"@en . "Early works" . "Immature mineral electrum" . . "Præcipiolum: or The immature-mineral-electrum The first metall: which is the minera of mercury. By Joh. Bapt. Van-Helmont"@en . . . "Præcipiolum: or The immature-mineral-electrum the first metall: which is the minera of mercury. By Joh. Bapt. Van-Helmont"@en . . "Præcipiolum: or The immature-mineral-electrum : The first metall: which is the minera of mercury. By Joh. Bapt. Van-Helmont" . "Præcipiolum: or The immature-mineral-electrum. the first metall: which is the minera of mercury. By Joh. Bapt. Van-Helmont"@en . . "Electum minerale immaturum (id est) metallus primus est minera mercurii"@en . "Electum minerale immaturum (id est) metallus primus est minera mercurii" . . . . "Immature-mineral-electrum"@en . . "Immature-mineral-electrum" . . .