Newton's lantern slide catalogue: section 7 -- Industries and Manufactures (circa 1920)

43, Museum Street, London, W.C.l. 809 MOTOR TRACTION OVER ROUGH LANDS— Continued. EM m 118 Two-Plough. With Steering- Wheels. With Three-furrow Plough. Ploughing. Hauling. 4 149) 122 Fig. 150 I Pedrail Haulage Wagon. >• 151 < ,, „ Wagon with Chain- l track laid out. 152 Parsons’ Model 60 Ditcher ; Side View. i> ,, 48 Ditcher ; Front View n . ,, 24 Ditcher ; Back view. Austin Ditcher; Digging 10 feet deep, 27 inches wide. ii ,, with Bank-sloping Device ; Digging 5ft. deep 3 ft. bottom, 1 to 1 slope. Parsons’ Back Filler. Renard Road Train with 20-ton load crossing swampy field. ,i ,i Chassis connected 123 124 125 126 127 128 129 153 154 155 153 157 158 159 116Fig. 137 ( Martin Cultivator. •i, 138 „ ii 1391 „ ,, 117 „ 140 I Martin Cultivator. 141 l „ „ 6 . 143 j Scott Motor-Sleigh; on ground. 14*1 n ,i on Blocks showing v Chain Sag. 145 l Scott Motor-Sleigh ; climbing a slope. 146j i, ii Test on Lake ,' T * i- - Fefor, Norway. 147 Lefebvre Tractor; 45 h.p.; 148 , Caterpillar with Train of Chain-track 1 Haulage Wagons. >, with Chain-track Haulage Wagons. AES STEEL MAKING UP TO DATE. From a Series of very fine negatives, showing the prooess now in use at one of the great steel works. Plain Slides, 3 i. each. 1 General View of a modern Blast Furnace, showing method of feeding the furnace with ore, ,coke, and limestone, also the heating ovens and tapping shed. 9 Near View of Hot-air Ovens, showing the large gas burners for heating them. 8 Interior of Blast Furnace Shed, showing the tuyeres and sand laid out ready for a "pour.” 4 Pouring Cast Iron into Travelling Ladle. 5 15-ton Bessemer Converter, showing its posi- tion ready to receive a charge of cast iron. BUY 6 Converter in position for Blowing. 7 Bessemer Converter being filled with molten Cast Iron. 8 “Tipping up.” The blow has to be started before the converter is tipped up to prevent the charge running into the blow holes. 9 “Tipping down," after the completion of the blowing process. 10 Pouring the De-siliconized Steel into the Travelling Ladle. From here it is taken to the open hearth furnaces where the phos- phorus is removed. 6 ii' •• STEEL. PROCESSES AND VIEWS. From photographs supplied by Messrs. Sanderson Bros., and Newbould Ltd., Sheffield. Plain Slides, 2s. each. Aerial view of the works. ! Pyrometers for checking various furnace heats. I Steel Warehouse. Paring cold rolled Steel Strip. 1 Heating. Steel for Forging Shoes and Dies for Ore-crushing machinery.' Forging Shoes and Dies for Ore - crushing machinery. Section of Machine Knife Department. Another view of Machine Knife Department. Sheet Rolling Mills. Rod Rolling Mills. Heavy Shearing Machine. Rolling the Bayonet Blade Steel to required Section. Passing through finishing rolls. Shearing Bayonet Blades from the rolled section to correct lengths. 14 Rolling the Bayonet Blade Steel to the required section. Final passing to correct gauge. 15 Polishing the Bayonet Blades after assembling, 16 Testing the Bayonet Blade after all operations in manufacture are completed by means of the Curve Test. 17 Striking Test of Finished Bayonets upon an Oak olock. This test will find any weakness in Brazing of the Pommel or Crosspiece ; quality of wooden Grips, or defect in the blade after it has passed through the various processes of manufacture. 18 File cutting machinery. 19 Wet grinding of long Saws. 20 Band Saw Shop. 21 Saw Handle Making. 22 Hacksaw Department. 3-Teeth Milling Machines. See also “ Some British Industries, page 834 ; “ Manufacture of Iron and Steel,” page 844; and “ Cutlery,” page 844. All the above are strictly copyright. AER THE BUILDING OF SALTASH BRIDGE. Beautifully Painted, Is. 6 d. each ; Plain Slides, 2*. each. a.*; 1 Shows First Piers Built (Saltash side) and First Arch (locally called tubes) in course of construction on Devon shore of River Tamar. (Copy of an old print of 1856. See type of steamboat and ferry bridge then in use on river.) , 9 Shows First Arch in Place and Second Arch - being Lifted into Position. This was done by means of the tide at the rdte of 6 feet i P er week, the pier (masonry) at shqre end being built up at each lift. View looks to- wards Saltash (Cornish side). (Copy of an old print, 1857-8.) 3 View of Bridge, taken from Saltash (Cornish side), showing Devon bank of River Tamar. See also Main Line of L. and S.W. Rail- way to London, which passes under Devon end of Bridge. 4 Full-length View of Bridge, looking up the River Tamar. Industrial' Training Ship (Mount Edgcumbe) above bridge. .Two men-of-war below idge. See also " Bridges, Ancient and Modem,” page 823.