Rolling Ladder Carriages | Ladder Hardware | Andrew Nebbett Designs
English Folding Library Step Ladder of Mahogany and Brass from the Edwardian Era For Sale at 1stDibs
FBITE Retractable Rolling Ladder Hardware Set Sliding Library Ladder Track Kit (No Ladder),3.3Ft-20Ft Black round Tube Mobile Ladder Rail,For Bookshelf/Indoor/Loft/Color/13Ft/400Cm Track Kit : Amazon.co.uk: DIY & Tools
Retractable Rolling Ladder Hardware Library Sliding Barn Door Kit (No Ladder), 3.3ft-20ft Round Tube Mobile Track For Home/Indoor/Loft, With Floor Roller Wheels (Size : 20ft/600cm Track kit) : Amazon.co.uk: DIY & Tools
20th Century Brass and Leather Library Ladder - DA3829730 | Lorfords Antiques