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Reply to "Subways"

Trial and error to see what size hole best accommodates 2 1/2 foot dia scale manholes in my black foamboard street scape over my subway module.

Answer? 8 1/2 ring size! Never throw away anything, not even a 35-year old ring size gauge.

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  • Manholes - resized

OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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