Close up of old logarithm tables. Looking at logarithm tables to make mathematical calculations.
Schlüsselwörter
old,
detail,
information,
paper,
text,
datum,
vintage,
number,
mathematic,
book,
document,
education,
looking up,
manual,
reference,
table,
paperwork,
calculate,
analog,
logarithm,
arithmetic,
mathematic
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