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Dec 2023
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Shaw Walker Vintage Index Card Holder | eBay

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1. chrisaldrich 07 Dec 2023
  
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  https://www.ebay.com/itm/204539906243
  
  According to the card on a Shaw-Walker desktop card index, the follower block was patented on October 10, 1902.
  
  following blocks patents card index filing cabinets Shaw-Walker
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patents

Shaw-Walker

card index filing cabinets

following blocks

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chrisaldrich

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