# Leibniz Legible — https://leibnizlegible.com
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# 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)
# Folio - , page id 170380998X:0147
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=170380998X&page=147
# Source image: https://digitale-sammlungen.gwlb.de/content/170380998X/jpgs/default/00000147.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 41 lines, status machine
# Lines: 41 recognised, mean confidence 0.83
# 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: the recognised lines in reading order, one per line.

Tero D2
Quar. FuB D
D. HT. H D. FI. M. D. FI. M. D. HI
fanuary TO 22 20)F7 20 2624 22 123
Februa. (O XF 2T26 3 42 23 14 T2E ZF
March (1O 2T 5727 22 27(25 16 43 +7
Aprit (9 6 3225 22 42 23 23 02
Mai
8 13 3415 IF 2T23 T4 79E 22 2
31
7
4c
Func 6 22 824 X 5222 4 1829 1350
Tuir
6 5 28, 17 13 54, 2T 165828 18
Ausust 4 25 2x12 TE 13(20 4 1726 22 38
Septem. 3 3 39, IF 5 17 18 +7 4625 8 12
October 2 18 552023 018 0 4024 14 2.
Novem. (C X2 359 25 35T6 1030(23 522
Decem. 13+ 3 29 6 025 22 2122 22 42
169C
Nem D F. 9uar. F ulb D 2. Qua
D. TT. M. D. FI. M. D. IT. M. D. HI. N
Fanuary 29 20 177 26 5314 15 382F 18
Februa: 28 FF 46 E 49, 12 20 3920 1424
March (29 22 817 8 624 101422 940
Aprit (28 6595 24 2 13 21 34223
May
Fune
Fuly
27 24314 21 012 15 1920 1753
25 21 213 6 30TT 4 13 19 5 4)
25 4 422 262710 2F 28 18 14 45
Ausust (23 13213c 2 239 21 45 26 2132
Septemo 22 0 3229 21 128 X 4225 3
October 2E 13 2029 25 297 14 26 14 1035
NOvCM. 20 7 3428 9516 02522 2652
Decemb. 20 2 42,28
5
55 23F1 T2 4 25
CC