![Railway mechanical engineer . ead or hard babbitt metal is used for theunit end and a ball 2^ in. in diameter, and of the samemetal, for the seat in the header. Railway mechanical engineer . ead or hard babbitt metal is used for theunit end and a ball 2^ in. in diameter, and of the samemetal, for the seat in the header.](https://c8.alamy.com/comp/2CGXG4H/railway-mechanical-engineer-ead-or-hard-babbitt-metal-is-used-for-theunit-end-and-a-ball-2-in-in-diameter-and-of-the-samemetal-for-the-seat-in-the-header-these-are-used-with-pow-dered-carborundum-to-obtain-the-line-bearing-and-when-thecups-and-balls-commence-to-lose-their-contour-they-can-bemelted-and-used-over-again-the-mold-for-forming-thecups-and-spheres-is-shown-in-fig-3-it-consists-of-threelartsthe-base-in-which-the-cup-grinder-is-cast-the-base-inwhich-the-spherical-grinder-is-cast-and-the-top-part-of-themold-which-may-be-used-with-either-base-a-chuck-isshown-in-fig-4-w-2CGXG4H.jpg)
Railway mechanical engineer . ead or hard babbitt metal is used for theunit end and a ball 2^ in. in diameter, and of the samemetal, for the seat in the header.
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6mm/8mm/10mm/12mm Hand Tablet Press Machine, Stainless Steel Pill Press Machine, Sugar Slice Pill DIY Making Tool, Milk Tablet Molding Machine for Home Kitchen : Amazon.co.uk: Home & Kitchen
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