458 THE COLLIERY GUARDIAN. September 3, 1915. GEORGE FLETCHER & CO. LTO SPECIALISTS IN DERBY COLLIERY, MINING & WORKS PLANT. CEMENT PIT CAGES hi Steel Structures and Roofs. Ball Mills. Tube Mills. Mine Fans, For any Volume or W.G. Stone Dust Grinding Plants. Simultaneous Tub Decking Plants. Patent Kep Gears. Crushing, Grinding, & Sizing Plants. Head Gears. (Joist or Lattice Type). Elevating and Conveying Plants. Screening Plants. • a'co ltd' VSS.'W5'' Pit Cages for 12 Tubs, suitable for Simultaneous Decking Plant. TCI Cphone: 817. Two lines. 1 C L, Cgrams : "Amarilla, Derby." UNDER GOVERNMENT CONTROL London Office : 21, Mincing Lane, E.C. ’Phone: 2813 Avenue. ’Grams : “Amarilla, Fen, London.” THE “ALL-IN” DRUM r F I I >7 1 f' V- — Davenport’s Patents. The Engine and Gears are in the Right Place, They’re INSIDE, but easy to get at. They work in a Bath of Oil. The most compact, novel, and efficient HAULING DRUM on the Market. It has no exposed working parts, and the Portable Type shown is a handy and safe machine of practical utility for Mining. Made in 3 Standard Sizes, for use with Compressed Air. DAVID ASHTON & C? AZTEC WORKS, — : : — SHEFFIELD.