ACU-MATH 400 SLIDE RULE WITH INSTRUCTION MANUAL
Acu-Math No. 400 slide rule in original case. Comes with Pickett,s 'How To Use Trig Slide Rules" book.

*Original owner's name written on case. Book was folded in half; has crease through center.

12 1/2" x 2"


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Text Found in Images:

Image 1:

how to use
TRIG
SLIDE RULES
BY PROFESSOR MAURICE L. HARTUNG
THE OF
PICKETT
PICKETT,INC. SQUARE BARBARA, CALIFORNIA 93102
No. 400
MADE
how
to
use
TRIG
SLIDE
RULES
BY
PROFESSOR
MAURICE
L.
HARTUNG
THE
OF
PICKETT
RULES
SQUARE
BARBARA,
CALIFORNIA
93102
No.
400
MADE


Image 2:

KETT SQUARE SANTA BARBARA, CALIFORNIA 93102
5'0
6'0
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15
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9
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5
2
CI
ACUMATH
9
5
8
6
7
8
SLIDE
KETT
SQUARE
SANTA
BARBARA,
CALIFORNIA
93102
5'0
6'0
3'0
7'0
15
5
8
4
8
5
6
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9
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CI
ACUMATH
9
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8
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8


Image 3:

how to use
TRIG
SLIDE RULES
BY PROFESSOR MAURICE L. HARTUNG
THE UNIVERSITY OF CHICAGO
PICKETT
THE WORLD'S MOST ACCURATE
SLIDE RULES
PICKETT, INC. PICKETT SQUARE SANTA BARBARA, CALIFORNIA 93102
how
to
use
TRIG
SLIDE
RULES
BY
PROFESSOR
MAURICE
L.
HARTUNG
THE
UNIVERSITY
OF
CHICAGO
PICKETT
THE
WORLD'S
MOST
ACCURATE
SLIDE
RULES
PICKETT,
INC.
PICKETT
SQUARE
SANTA
BARBARA,
CALIFORNIA
93102