CORPORUM FIRMORUM.

649

Quoniam in Hollandia solemus Trabibus Picene uti ad laqueariaconstruenda , propter pretium Ligni Quercici nimium, volui etiamhas adnectere Tabulas , quas robur Trabium Picearum parietibusutrimque exceptarum in medio fui .exhibent; innituntur has TabulasExperimento CCX.

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In hac Tabula supponitur latitudo baseos 10 pollic.

Longitudines Altitudines vero horum pollicum,in pedibus

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