and engineering journal . The SELSON ENGINEERING Co., Ltd. THE SELSON 6ft. PATENT Central Thrust Radial Drilling Machine ^-=^—?^^8 With Reversing Motion for Tapping, Automatic Trip r^,^^ to Spindle Feed and Radial Movement of Arm by Ratche^ «.-1^ f ... 7 ^^A^ \\ Arm of Minimum Width, ensuring greater stiffness without unnecessary weighl ^. Carriage gibbed to arm both in front and on underside. ensuring greater rigidity to top bearing. Double gear placed direct on spindle, avoiding undue torsionof driving shafts. 85, Queen Victoria Street, LONDON. Works: COVENTRY. Paint Your Cya
and engineering journal . The SELSON ENGINEERING Co., Ltd. THE SELSON 6ft. PATENT Central Thrust Radial Drilling Machine ^-=^—?^^8 With Reversing Motion for Tapping, Automatic Trip r^,^^ to Spindle Feed and Radial Movement of Arm by Ratche^ «.-1^ f ... 7 ^^A^ \\ Arm of Minimum Width, ensuring greater stiffness without unnecessary weighl ^. Carriage gibbed to arm both in front and on underside. ensuring greater rigidity to top bearing. Double gear placed direct on spindle, avoiding undue torsionof driving shafts. 85, Queen Victoria Street, LONDON. Works: COVENTRY. Paint Your Cyanide Tanlcs With RUSAC 99 B IHII ? i j ANTI-CORROSIVE VARNISH. J ? A Unique Preparation for Protecting Exposed jj Metal Work of all kinds from Corrosion, etc. i i S SOUTH AFRICAN GENERAL ELECTRIC CO., i lllll? (I Box 1905. SOUTHERN LIFE BUILDINGS, 1 JOHANNESBURG. Thone 4321. Z THE SOUTH AFRICAN MINING
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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectmineralindustries
