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<p>[QUOTE=&quot;Numbers, post: 847627, member: 11668&quot;]Okay, I&#039;ll give it a go....&nbsp; <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie6" alt=":cool:" unselectable="on" unselectable="on" /></p><p>&nbsp;</p><p>Every sequence of six notes from positions A-B-C-D-E-F is coming from a single sheet--the numbering runs consecutively down the sheet.&nbsp; So those six notes will always have the same plate number.&nbsp; And all the serial numbers that land in position F are multiples of 6--that&#039;s true all the way through the block.</p><p>&nbsp;</p><p>Then the next note after F is the A position of the next sheet.&nbsp; It might or might not have the same plate number as the last bunch, depending on whether or not the new sheet was printed from the same plate as the old sheet.</p><p>&nbsp;</p><p>As I mentioned a few posts ago, the BEP&#039;s presses use several plates in rotation.&nbsp; So in general, each sheet will have different plate numbers than the previous sheet, with the numbers repeating every few sheets (i.e., every few groups of six notes).&nbsp; I&#039;m not sure exactly how many plates were used on each press in the &#039;30s, but Jamie might know this....</p><p>&nbsp;</p><p>Of course, sometimes a defective sheet was pulled out of the rotation before the serial numbers were printed.&nbsp; And it&#039;s also possible that some sheets got rearranged during the inspection process.&nbsp; That&#039;s probably why you occasionally see the same plate number appearing for two sheets in a row, and no simple pattern to what the plate numbers are doing the rest of the time.[/QUOTE]</p><p><br /></p>

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