Gutsmuths, Friedr(ich) Wilh(elm): The practical yeast manufacturer, or thorough instruction, not only to fabricate the Dutch pressing yeasts according to an improved method, but also the best types of liquid yeasts for the white bakery in a slight way at a few costs themselves at any time. 48 pp. (p. 44-48 displays). 17 x 10 cm. Semi-leather d. Zt. (sharp and with small wormholes). Quedlinburg and Leipzig, G. Basse, 1833. Engelmann 132. – First edition. Also contains paragraphs associated with S. F. Hermbstädt's process for yeast production. – Back cover with larger nail hole, also the writing affected by Westphal. The writings of Gutsmuths with worm tracks in the margins. – Attached: II. Same. Catechism for practical spirits burners; or the Brennherr teaching his burner. In questions and answers. VI S., 1 Bl., 40 S. Ebenda 1834. - Schoene 12419. Engelmann 131. - First edition. - II. (Karl Georg Heinrich Westphal). Proved means to prevent hair from going out, to promote hair growth, and to cause bald parts of the head to cover with hair again; as well as proven prescriptions to remove warts, freckles, liver stains, and moles. Second edition. 36 pp., 2 Bl. Ebenda 1832. - See Hirsch-Hübotter V, 913. - A first edition is not detectable.