Calculating machines.
Lohse, Oswald. *#E 5121.69 Tafeln fiir numerisches Rechnen mit Maschinen. — Leipzig. Engelmann. 1909. vi, 122, (1) pp. 29¢m., in 4s.
[This work is kept on the Special Libraries Floor.]
This card was printed at the Boston = Public Library, May 18, 1910.
H2587 — Calculating machines. — Tables. Mathematical.