Claims
- 1. A book which comprises, in combination:
- (a) a front cover,
- (b) a back cover,
- (c) a plurality of pages intermediate said front cover and said back cover,
- (d) securing means for securing together said front cover, said back cover and said plurality of pages,
- (e) optical viewer means having a viewing axis along a line normal to the plane of said front cover and said back cover when the book is in a closed position, wherein said optical viewer means comprises an opaque tube, a transparency at the end of said tube remote from said pages and a magnifying lens disposed at the other end of said tube, and
- (f) means for securing said optical viewer means to said back cover,
- (g) at least one of said pages and said back cover having an aperture aligned with said viewing axis.
- 2. A book as set forth in claim 1 which comprises plural optical viewers disposed on said back cover, each of said viewers having a different viewing axis normal to the planes of said front cover and said back cover when the book is in a closed position.
- 3. A book which comprises, in combination:
- (a) a front cover,
- (b) a back cover,
- (c) a plurality of pages intermediate said front cover and said back cover,
- (d) securing means for securing together said front cover, said back cover and said plurality of pages,
- (e) optical viewer means having a viewing axis along a line normal to the plane of said front cover and said back cover when the book is in a closed position, wherein said optical viewer means comprises an opaque tube, a transparency at the end of said tube remote from said pages and a magnifying lens disposed at the other end of said tube, and
- (f) means for securing said optical viewer means to said back cover,
- (g) at least one of said pages and said back cover having an aperture aligned with said viewing axis,
- (h) wherein said back cover comprises a front surface portion and a rear surface portion separated from said front surface portion, said surfaces having apertures along said viewing axis, said optical viewer means being disposed between said surfaces.
- 4. A book as set forth in claim 3 which comprises a plural optical viewers disposed in said back cover, each of said viewers having a different viewing axis normal to the planes of said front cover and said back cover when the book is in a closed position.
- 5. A book as set forth in claim 3 wherein the one of said plurality of pages closest to said back cover comprises an aperture therein aligned with the viewing axis of said viewer means and wherein the remainder of said plurality of pages has progressively in the direction of said front cover the same number of apertures or less apertures aligned with said viewing axes than the prior page.
Parent Case Info
This application is a continuation of application Ser. No. 537,660, filed Sept. 30, 1983, now abandoned.
US Referenced Citations (10)
Continuations (1)
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Number |
Date |
Country |
Parent |
537660 |
Sep 1983 |
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