{"product_id":"superb-early-brass-telescoping-sliding-rule-hat-makers","title":"SUPERB EARLY BRASS TELESCOPING SLIDING RULE - HAT MAKER'S?","description":"\u003cp\u003eVery early rule that 'telescopes' out. Likely mid to late 1700s based on the look and font. Has a different scale on the back side possibly denoting sizes? Very likely a hatter's rule. I have not seen another like it. Exceptional.\u003c\/p\u003e","brand":"Ted Dawson Antique Tools","offers":[{"title":"Default Title","offer_id":56226598060337,"sku":"5863","price":195.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0302\/2618\/6377\/files\/DSC03701_cfe7cccb-23a4-4096-aa9a-d82473863e25.jpg?v=1743614486","url":"https:\/\/teddawsonantiquetools.com\/products\/superb-early-brass-telescoping-sliding-rule-hat-makers","provider":"Ted Dawson Antique Tools","version":"1.0","type":"link"}