Ebullioscope, scale in Degre Malligand, by L. Levesque, Paris, serial no.26775, with instructions, burner and pipette, in box, c. 1900 Ebullioscope, scale in Degre Malligand circa 1900
Ebullioscope, by "R.M.," possibly Italian, c. 1920 Ebullioscope, by "R.M.," possibly Italian, c. 1920 1920