Is Your Periodic Chart as out-of-date as last year's calendar? PERIODIC TABLE OF THE ELEMENTS
CENCO'S NEW PERIODIC CHAR! OUTDATES ALL OTHERS (CLASSROOM SIZE 62" BY 52") Ρ A DD Π Μ
1 0 is the basis of the system, accord-
in "Physics Today," this is the first chart available to in
OHIlDUIl
\£m ing to a decision by the Commis
clude element 103!
sion on Atomic Weights, International Union of Pure and
Τ Γ η | | Μ Γ Τ Ι | | Ι 1
Applied Chemistry in September of 1961. This is the first
Disclosed in the fall of 1960,
I L U l l 1 1 L I l U l Y l i the melting point of element 43,
chart showing the new atomic weights based on the system
Technetium, has also been included.
which may be used by chemists and by physicists alike. Designed especially for laboratory and lecture room use, I A\AfDEMPIIIIUI LAWIlLllulUIYIj
t h en e w e s t
element, is ineluded! Recently written up
the chart is made of heavy, enamel stock, printed in 4 colors, and plastic coated for long wear and maximum visibility.
$7.50
NO. 12056 NEW PERIODIC CHART (Mounted top and bottom with wooden slots & hanging loops)
NO. 12057 NEW PERIODIC CHART
$12.50
(Mounted on spring roller with wall brackets)
cenco Birmingham, Ala. Houston
C E N T R A L
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a division of Cenco Instruments Corporat
1700 W. Irvina Park Road. Chicago 13, Illinois Los Angeles Mountainside, N . J .
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Cenco S.A., Breda, The Netherlands
