Browse Prior Art Database

Center Markers for Microphoto Size 16-1" and 24-1"

IP.com Disclosure Number: IPCOM000090622D
Original Publication Date: 1969-Jun-01
Included in the Prior Art Database: 2005-Mar-05
Document File: 2 page(s) / 23K

Publishing Venue

IBM

Related People

Jones, CD: AUTHOR

Abstract

Center marker 1 is for use in microfilming drawings. Such marker comprises a pair of transparent triangular elements 2 and 3. Each centers a different size reduction, Also, each element has an opaque mark along its edge. Elements 2 and 3 are attached to a hinge 5 so that the marks are perpendicular to such hinge.

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Center Markers for Microphoto Size 16-1" and 24-1"

Center marker 1 is for use in microfilming drawings. Such marker comprises a pair of transparent triangular elements 2 and 3. Each centers a different size reduction, Also, each element has an opaque mark along its edge. Elements 2 and 3 are attached to a hinge 5 so that the marks are perpendicular to such hinge.

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