Lingua: Inglese
Editore: Hoffmann-La Roche Chemical Works, New York, 1920
Da: Bohemian Bookworm, Flemington, NJ, U.S.A.
Manoscritto / Collezionismo cartaceo Prima edizione
Soft cover. Condizione: Very Good. 1st Edition. Small stapled pamphlet from HR, 16pps, photos of the plant and process, testimonials that promote use of Pantopon in place of morphine, VG.