6 vols.
Pennsylvania German Imprints - 19th-Century - Mathematical Subjects: Fenning, Daniel. Der Fertige Rechner. Philadelphia: Conrad Zentler, 1817. 12mo, contemp. calf, morocco spine; corners a little warped & soiled. Some internal dampstaining. Arndt 2231; American Imprints 40824; Karpinski p. 211. * Gock, Carl. Carl Gock's Neuestes selbstlehrendes Rechen-Buch. Reading: H.B. Sage, 1823. 12mo, bdg. gone. Dampstained & moderately foxed. Lacking last leaf. Arndt 2615; American Imprints 12691; Karpinski p. 253. * Villee, H.W. Der Bauer als Landmesser. Reading: Johann Ritter, 1824. 12mo, orig. bds.; edge wear. Minor internal browning & scattered foxing. 6 plates on 2 fold. leaves (moderate creasing & foxing to plates). Arndt 2707; American Imprints 19146; Karpinski p. 261. * Benner, Enos. Abhandlung uber die Rechenkunst. Philadelphia: J.G. Ritter, 1826. 12mo, orig. bds.; worn (but intact). Moderate foxing & occasional staining throughout. Arndt 2818; American Imprints 23744; Karpinski p. 269. * Another copy of the preceding, orig. bds., some internal dampstaining & foxing, a few close tears. * Der Geschwinde Rechner. Harrisburg: G.S. Peters, 1833. 12mo, contemp. sheep; rubbed, somewhat dust soiled. Some internal foxing & staining, a few edges chipped - small loss of printing. Not recorded by American Imprints, see 24601 for the Allentown edition of 1834.