Liskeard Museum on X: "The cylindrical or 'planetary' pencil sharpener was first developed in Chicago in 1896, offering an alternative to the traditional 'prism' models that were prone to breaking pencil leads. [
Antique DANDY AUTOMATIC PENCIL SHARPENER Very Rare | eBay
vintage pencil sharpener, metal hand crank Deluxe Giant Apsco sharpener
U.S. Automatic Pencil Sharpener, | Cowan's Auction House: The Midwest's Most Trusted Auction House / Antiques / Fine Art / Art Appraisals