Card – picture – or sign exhibiting – Check – label – or tag – Baggage checks
Patent
1976-03-10
1976-11-16
Skogquist, Harland S.
Card, picture, or sign exhibiting
Check, label, or tag
Baggage checks
35 76, G09F 1124
Patent
active
039914984
ABSTRACT:
A learning aid particularly useful by one learning a foreign language, includes an openable box containing a double reel and web assembly wherein the web has printed matter on it which can be viewed through a window area of the cover of the box, and the box contains cartridge means for carrying the double reel and web assembly during insertion of the assembly in and removal of the assembly from the box. This permits quick insertion and removal of the cartridge means and the double reel and web assembly as a unit. A larger number of such cartridge and reel units may be provided for use in a single viewing box, thus facilitating the learnings of a large amount of printed material.
REFERENCES:
patent: 1760785 (1930-05-01), Sledge
patent: 2163523 (1939-06-01), Whitmyre
patent: 3513577 (1970-05-01), Kleinman
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