D O C U M E N T 1 9 J A N U A R Y 1 9 2 2 3 9
subjects.[3]
Neither is “means for impressing an unidirectional impulse upon the
reciprocatory member, so that it travels or progresses step-by-step in one direc-
tion,” under consideration anywhere in the
patents.[4]
List of indicated
patents:[5]
A. Einstein.
19. From Richard Courant
[1]
Göttingen, 5 Nikolausberger Way, 15 January 1922
Esteemed Mr. Einstein,
The Hilberts and all of us are especially pleased about your intention to come
here for the
23rd.[2]
As is the way of such things, if a finger is extended, one always
does like to grab the whole hand. In this sense, after receiving sanction by Born and
Franck about the permissibility of such a
request,[3]
I would like to ask whether you
might want to play something in the afternoon of Hilbert’s birthday together with
Born as pianist, a very nice little cellist, and my wife? The E flat major piano
quartet by Beethoven, that is, the first movement thereof, originally the octet for
1204245. Concrete processor. The oscillatory motion does not serve
here to generate a progressive motion. A means for the
transmission of an impulse onto the oscillating part is miss-
ing.
942299
955339
Massage apparatus.The oscillatory motion does not serve
to generate progressive motion.
1091533 Car horn. Progressive motion is entirely absent.
1367117
1286617
236697
1280269
1125500
1192502
1249094
1332864
1363495
85721
Sieve shaker. Progressive motion is entirely absent.
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