Title on added t.p., v. 1: Proefnemingen om papier te maaken zonder lompen, of slechts met een gering byvoegzel derzelven.

Title page of v. 2 has title: Dr. Jacob Christiaan Schäffers Proefnemingen en monster-bladen, om papier te maaken zonder lompen, of met een gering byvoegzel derzelven.

Translation of: Versuche und Muster ohne alle Lumpen oder doch mit einem geringen Zusatze derselben Papier zu machen (originally published Regensburg, 1765).

Signatures: v. 1: ² A-G⁴ H² (H² blank); v. 2: ⁴ A-D⁴.

Illustrations: 6 prints : engraving, 5 hand col. ; plate mark 17 x 14 cm. By J.N. Maag (4) and G.P. Trautner (2). Comprise one engraving printed in dark blue, after a design by the author (subject: putti making paper) and 5 hand-col. engravings, after Loibel (subject: plant sources of non-rag paper). Reimpressions of the plates in the German ed. (no. IV in v. 1 is in a revised, partly re-engraved state).

Samples comprise full-page specimens of paper made from various materials: wood and/or bark of beech, willow, aspen, hops, grapevines, mulberry, clematis and nettles; various mosses; poplar seed down; hemp chaff; straw; aloe leaves and tree leaves; cattails; wasps' nests; sawdust; and mixtures of scraps from the various other experimental papers.

Kress Library of Business and Economics. Catalogue, with data upon cognate items in other Harvard libraries, 6754

Hunter, D. Literature of papermaking, p. 37

Labarre, E.J. Paper-making (2nd ed.), p. xvii, no. 195