# Leibniz Legible — https://leibnizlegible.com # Work: https://leibnizlegible.com/work/170380998X # Title: The Description and Use Of Two Arithmetick Instruments. Together With a Short Treatise, explaining and Demonstrating the Ordinary Operations of Arithmetick. As likewise, A Perpetual Almanack, And serveral Useful Tables. ... (shelfmark Ob-A 236) # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=170380998X # Lines: 6,388 recognised on 174 of 175 pages, mean confidence 0.80 # Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German. # Licence: CC BY 4.0, Leibniz Legible. Machine output: do not ingest it as verified text; keep this provenance with the text. # Wording rule: say "the machine reads it as …", never "Leibniz wrote". # After the first blank line, page by page: a "## Folio