Antique Simplex No. 41 Railroad Jack TKO Simplex No 41 Railroad Jack. Rusted but in working condition. . It did not come with bar. Category: General Antiques and CollectiblesCondition: FairMedium: Cast IronDistinguishing marks: Simplex No 41 TKO CARRON 3c-4c For Sale?: No Know something about this item?Log In and Add New CommentIf you don't have InstAppraisal accountclick here to create one for free!