Proportional rule device for defining an area on a plane surface

A proportional rule device is provided for indicating or outlining on a photograph, negative, slide, drawing or the like a desired size area for subsequent masking therearound and reproduction. The device includes a pair of frame members (2) each substantially L-shaped in plan and made of rigid or s...

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1. Verfasser: COLIN GEORGE SMITH
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creator COLIN GEORGE SMITH
description A proportional rule device is provided for indicating or outlining on a photograph, negative, slide, drawing or the like a desired size area for subsequent masking therearound and reproduction. The device includes a pair of frame members (2) each substantially L-shaped in plan and made of rigid or semi-rigid sheet material, and means for releasably and adjustably interconnecting the two frame members (2) slidably one on top of the other with the inner edges (3) of one of the substantially L-shaped frame members (2) directed towards and cooperating with the inner edges (3) of the other substantially L-shaped frame member (2) to outline and define therebetween a rectangular area corresponding to the desired size area.
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The device includes a pair of frame members (2) each substantially L-shaped in plan and made of rigid or semi-rigid sheet material, and means for releasably and adjustably interconnecting the two frame members (2) slidably one on top of the other with the inner edges (3) of one of the substantially L-shaped frame members (2) directed towards and cooperating with the inner edges (3) of the other substantially L-shaped frame member (2) to outline and define therebetween a rectangular area corresponding to the desired size area.</description><edition>4</edition><language>eng</language><subject>ACCESSORIES FOR WRITING OR DRAWING ; ACCESSORIES THEREFOR ; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES ; APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM ; ARTICLES FOR WRITING OR DRAWING UPON ; BUREAU ACCESSORIES ; CINEMATOGRAPHY ; ELECTROGRAPHY ; HOLOGRAPHY ; PERFORMING OPERATIONS ; PHOTOGRAPHY ; PHYSICS ; TRANSPORTING ; WRITING OR DRAWING IMPLEMENTS</subject><creationdate>1986</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19860521&amp;DB=EPODOC&amp;CC=GB&amp;NR=2167015A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19860521&amp;DB=EPODOC&amp;CC=GB&amp;NR=2167015A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>COLIN GEORGE SMITH</creatorcontrib><title>Proportional rule device for defining an area on a plane surface</title><description>A proportional rule device is provided for indicating or outlining on a photograph, negative, slide, drawing or the like a desired size area for subsequent masking therearound and reproduction. 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The device includes a pair of frame members (2) each substantially L-shaped in plan and made of rigid or semi-rigid sheet material, and means for releasably and adjustably interconnecting the two frame members (2) slidably one on top of the other with the inner edges (3) of one of the substantially L-shaped frame members (2) directed towards and cooperating with the inner edges (3) of the other substantially L-shaped frame member (2) to outline and define therebetween a rectangular area corresponding to the desired size area.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record>
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subjects ACCESSORIES FOR WRITING OR DRAWING
ACCESSORIES THEREFOR
APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM
ARTICLES FOR WRITING OR DRAWING UPON
BUREAU ACCESSORIES
CINEMATOGRAPHY
ELECTROGRAPHY
HOLOGRAPHY
PERFORMING OPERATIONS
PHOTOGRAPHY
PHYSICS
TRANSPORTING
WRITING OR DRAWING IMPLEMENTS
title Proportional rule device for defining an area on a plane surface
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