| 摘要 |
An apparatus for collecting and cataloging data, the apparatus comprising a base, an accordion-pleated folded strip mounted with the base and defining sections each having a major surface for the recordation of information thereon, each section hingedly foldable into an overlying position relative an adjoining section to allow a selective upward exposure of a pair of adjoining major surfaces of selected adjacent sections, and an indexing element having a first major surface and a second major surface and mounted with the base for hinged movement between first and second positions, the first position of the indexing element to align with a one of the pair of adjoining major surfaces of selected adjacent sections and the second position of the indexing element to align with another one of the pair adjoining major surfaces of selected adjacent sections.
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