1975-10-20
1977-08-23
Oechsle, Anton O.
40 70R, G09B 1918
Patent
active
040430553
ABSTRACT:
A teaching device useful as an aid in teaching the rudimentary principles of accounting comprising at least one triangular journal device bearing accounting indicia thereon and means on said triangular device for recording and displaying accounting data. A plurality of account ledger recording devices are used with the journal device. A label is provided on each recording device so that the number designation and title of an account may be written thereon.
REFERENCES:
patent: 544907 (1895-08-01), Braine et al.
patent: 986036 (1911-03-01), Wyndham
patent: 1000026 (1911-08-01), Lewis
patent: 1604572 (1926-10-01), Hausheer
patent: 1764063 (1930-06-01), Youngberg
Alamia Salvatore A.
Oechsle Anton O.
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