Maps

Details Maps Maps

1978-07-11

1980-07-01

Dost, Gerald A.

Printed matter

Maps

Indexed

G09B 2900

Patent

active

042103479

ABSTRACT:
A map comprising a concertina-folded sheet printed on both sides of the sheet, the markings on the two sides representing contiguous areas and being disposed so that a line on the map representing a route passing from one such area to the other extends around an edge of the sheet which lies at right angles to the concertina folds, the sheet having on an outer end flaps two key maps, inverted with respect to each other and corresponding respectively to the two sides of the sheet, to direct the user to the desired part of the map by means of indicia associated with the key maps which correspond to indicia provided upon the edge folds of the map.

REFERENCES:
patent: 1687304 (1928-10-01), Morris
patent: 2118964 (1938-05-01), Bonnaire
patent: 2179172 (1939-11-01), Bonnaire
patent: 2471552 (1949-05-01), Specter et al.

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