{"product_id":"vintage-pickett-model-40-slide-rule-c-1940s-r-c-pickett-simplex-trig-engineering-rule","title":"Pickett Model 40 Slide Rule, c. 1940s | R.C. Pickett Simplex Trig Engineering Rule","description":"\u003cp\u003e\u003cstrong\u003eThe Piece\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA vintage Pickett Model 40 slide rule, c. 1940s.\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eWhite-coated metal simplex trig engineering rule with aluminum end brackets, clear cursor, slotted hardware, and printed mathematical scales.\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eMarked \u003c\/span\u003e\u003cspan\u003e“40,” “Pickett,”\u003c\/span\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cspan\u003e“International Copyright R.C. Pickett.”\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis early-to-mid-century Pickett slide rule was made for mathematical, drafting, engineering, and technical calculations before electronic calculators replaced skill with button pressing and then somehow called that progress. The rule includes multiple calculation scales for multiplication, division, logarithms, square and cube functions, and trigonometric work, with printed definitions and instructional examples on the reverse.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe piece has a white-coated metal body, black printed scales, aluminum end brackets, slotted screws, and a clear sliding cursor. The Model 40 marking, R.C. Pickett copyright notation, slotted hardware, and early white metal construction support a \u003c\/span\u003e\u003cspan\u003e1940s-era presentation\u003c\/span\u003e\u003cspan\u003e, with possible continuation into the early 1950s.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e→ \u003c\/span\u003e\u003cspan\u003eObject:\u003c\/span\u003e\u003cspan\u003e Slide rule \/ engineering calculation rule\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e→ \u003c\/span\u003e\u003cspan\u003eMaker:\u003c\/span\u003e\u003cspan\u003e Pickett\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e→ \u003c\/span\u003e\u003cspan\u003eModel:\u003c\/span\u003e\u003cspan\u003e Model 40\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e→ \u003c\/span\u003e\u003cspan\u003ePeriod:\u003c\/span\u003e\u003cspan\u003e Vintage, c. 1940s\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e→ \u003c\/span\u003e\u003cspan\u003eMarkings:\u003c\/span\u003e\u003cspan\u003e “Pickett,” “40,” and “International Copyright R.C. Pickett”\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e→ \u003c\/span\u003e\u003cspan\u003eType:\u003c\/span\u003e\u003cspan\u003e Simplex trig slide rule\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e→ \u003c\/span\u003e\u003cspan\u003eMaterials:\u003c\/span\u003e\u003cspan\u003e White-coated metal body, aluminum end brackets, clear plastic\/acrylic cursor, metal screws\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e→ \u003c\/span\u003e\u003cspan\u003eScales Visible:\u003c\/span\u003e\u003cspan\u003e K, A, B, S, T, C, D, L, and related reference scales\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e→ \u003c\/span\u003e\u003cspan\u003eReverse:\u003c\/span\u003e\u003cspan\u003e Printed definitions, instructions, and calculation examples\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e→ \u003c\/span\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003cspan\u003e Approx. 11 in L × 1.4 in W\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e→ \u003c\/span\u003e\u003cspan\u003eWeight:\u003c\/span\u003e\u003cspan\u003e Approx. 4 oz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition + Updates\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGood vintage condition with age-appropriate handling wear. The white-coated body shows discoloration, surface marks, light scratches, and patina from use. The black printed scales remain legible. The aluminum end brackets and slotted hardware show light oxidation and wear. The clear cursor is present with visible surface wear and remains intact. The reverse-side instructional text is readable, with expected age toning and marks.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe piece retains strong display value as a vintage scientific, drafting, engineering, or academic object.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy This Belongs in Your Home\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis slide rule brings a sharp technical presence to a desk, bookshelf, office, drafting table, study, or collected vignette. It belongs in spaces that appreciate instruments with purpose: architecture offices, engineering collections, libraries, workshops, academic interiors, and anyone tired of decor that exists solely to be beige and emotionally vacant.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts graphic scales, metal construction, and compact form make it easy to style with old books, drafting tools, brass objects, framed diagrams, industrial lighting, or mid-century office accessories. It is small, precise, and visually intelligent, which is more than can be said for most objects currently labeled “desk decor.”\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable width=\"1141.2\" cellspacing=\"0\" cellpadding=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cstrong\u003eField\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eSlide rule \/ engineering calculation rule\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eMaker\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003ePickett\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eModel 40\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eEra\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003ec. 1940s\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eStyle\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eEarly mid-century scientific, engineering, drafting, academic\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eSimplex trig slide rule\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eMaterials\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eWhite-coated metal, aluminum end brackets, clear plastic\/acrylic cursor, metal hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eMarkings\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003e“Pickett,” “40,” “International Copyright R.C. Pickett”\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eScales\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eK, A, B, S, T, C, D, L, and related mathematical scales\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eReverse Details\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003ePrinted definitions, instructions, and calculation examples\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eDimensions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eApprox. 11 in L × 1.4 in W\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eApprox. 4 oz\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eGood vintage condition with discoloration, surface marks, light scratches, hardware wear, cursor wear, and legible printed scales\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eRecommended Use\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eDesk styling, office decor, drafting table display, engineering collectible, academic decor, shelf styling\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Viridian Eclection","offers":[{"title":"Default Title","offer_id":43248498475113,"sku":null,"price":52.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0093\/9369\/files\/IMG-8511.png?v=1779866344","url":"https:\/\/viridianeclection.com\/products\/vintage-pickett-model-40-slide-rule-c-1940s-r-c-pickett-simplex-trig-engineering-rule","provider":"Viridian Eclection","version":"1.0","type":"link"}