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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:0109
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=170380998X&page=109
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# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 41 lines, status machine
# Lines: 41 recognised, mean confidence 0.74
# Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German.
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erpctualt Almanack invented by
S. Norland 1650.
oFind the DOm: TCHCF FOF eVer.
B
GF BA DC  FE AC CB ED
1000 1200) 1400 1600) 110O 1300 1500
1516 20 24 28 32 36 40
44 +8 52 56 60 64 68
72 76 80 84 88 92 90
1700 4
8 12 16 20 24
28 32 36 40 44 48
52
2400 1900) 2500 2300) 18001 2000 2200
FoEind what dar ofthe Weck cach Month begins.
X
3
l
D
H t C
Octob: 31 May. 31 August 31 March 31 Lune. 30 Septem 30 Aprill. 30
Canu: 31
Novem. 30
Febru. 2.9
Decem: 31 Tulis. 31
Totind the day ot y Monite
T 8 15
TO
16
4 TI
C
12
TE
14 12
23
a
i
A
IC
ie
M