Zombiebrainz:
Feel the logarithm
Zombiebrainz:
Old school calculator
Zombiebrainz:
Yellow with knowledge
Zombiebrainz:
Old German "Logarithmen" book :-) circa 1950s
Zombiebrainz:
Beauty in numbers
Zombiebrainz:
1950's math book
Zombiebrainz:
Calculus book from 1927
Zombiebrainz:
System of parallel chords
Zombiebrainz:
Tangential thinking
Zombiebrainz:
Inner cover
Zombiebrainz:
Calculus 1927
Zombiebrainz:
Book of knowledge
Zombiebrainz:
Bound by wisdom