Illinois Society of Architects · Chicago · leaf 501
is one not overVs inch in width and not over S inches inlength, or not over Vs inch in width and notover 4 inches in length. 82. A large pitch pocket is one whosewidth or length exceeds the maximumstated as permissible for a medium pitchpocket. 83. A closed pitch pocket is one that doesnot show an… … I.is Fitch Seams. 84. A pitch seam is a shake or checkwhich is filled with pitch. Pitch Streaks 85. A pitch streak is a well-defined accu-mulation of pitch in a more or less regularstreak. 86. A small pitch streak is one not overVia the width by l/a the length of the surfaceen which it occurs. S7.…
Architecture · Building · Architects
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