58.
"Discussion"
following
lecture
version
of
Henry Siedentopf,
"On
Ultramicroscopic
Images"
[Einstein
et
al.
1909a]
Excerpt,
printed
version
of
the discussion held 20
September
1909
following
presentation
of
Siedentopf's paper
at the 81st
meeting
of
the
Gesellschaft
Deutscher Naturforscher
und
Arzte in
Salzburg.
Published
10 November 1909
In:
Physikalische Zeitschrift
10
(1909):
779-780.