From the Philip Platt Collection. Length = 48.00 Inches Ref.The item "Kerby & Brother, 51 Fulton St, New York Rare Hook End Slide Rule -Extra Clean" is in sale since Wednesday, July 05, 2017. This item is in the category "Collectibles\Tools, Hardware & Locks\Tools\Carpentry, Woodworking\Rules, Tapes". The seller is "greatcatalogue" and is located in Bath, New York. This item can be shipped worldwide.