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56 (LVI) — 1945-1946
Ranging Lines, 308.
Rational Use of Fuel, 115.
Reciprocating Air Compressor, 155.
Rectangles, Triangles and Trapeziums, 64.
Rectangular Co-ordinates, 277.
Regional Surveys, 15, 68, 232.
Rescue Apparatus and Appliances, 65.
Research Expenditure, 267.
Resection, 278.
Ring-oiled Bearing and Lubricator, 95.
Road Junction, Support at, 119.
Rock Classification, 208.
Rock Structures and Definitions, 256, 271.
Rock Wool, 204.
Rock-building by Sediments, 208, 290.
Roland Wild Calorimeter, 130.
Roof Support at Junctions, 61.
Roof Supports, 27, 39.
Roof Supports at Ripping Face, 51.
Rope Coils on Drum, 311.
Ruhr Coalfield, Technical Report on, 303.
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