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Filing date
Publication date
Application filed by Josef PoelslerfiledCriticalJosef Poelsler
Application grantedgrantedCritical
Publication of AT147112BpublicationCriticalpatent/AT147112B/en
<Desc/Clms Page number 1>
Als Lehrbehelf dienendes Rechengerät.
EMI1.1
**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
Computing device serving as a teaching aid.
EMI1.1
** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
<Desc/Clms Page number 2>
farbige Schieber angeordnet sind, dadurch gekennzeichnet, dass die Schieber in ihrer Führung mit Spiel geführt sind, so dass die hinter die Ausschnitte geschobenen Schieber durch blosses Neigen des Rechengerätes in ihre verdeckte Stellung gleiten.
EMI2.1
<Desc / Clms Page number 2>
colored slides are arranged, characterized in that the slides are guided in their guides with play, so that the slides pushed behind the cutouts slide into their concealed position by simply tilting the computing device.
EMI2.1
AT147112D1933-01-181933-01-18
Computing device serving as a teaching aid.
AT147112B
(en)