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Hektograph
[hektәgrɑ:f;-græf]
Definition
(
n.
) See Hectograph.
Typed by Avery
Examples
When
black
hektograph
ink
is
desired
,
instead
of
the
methyl
-
violet
use
double
the
amount
of
negrosine.
William K. David.
Secrets of Wise Men, Chemists and Great Physicians
.
Typed by Avery
