Yarns -- Twine Laying -- Sizing and Polishing Threads and Twines -- Softening Threads -- Skeining Threads -- Balling Twines -- Leeson's Universal Winder -- Randing Twines -- Spooling Sewing Threads -- Comparative Prices of Flax and Hemp Cords, Lines and Threads. #Rope Making.# -- Construction of Hawsers and Cables -- Stranding -- Laying and Closing -- Compound Rope Machines -- Rules for Rope Makers -- Weight of Ropes -- Balling and Coiling Ropes. #Mechanical Department.# -- Boilers, Engines and Turbines -- Power Transmission by Belts and Ropes -- Electric Light and Power Transmission -- Fans -- Oils and Oiling -- Repairs -- Fluting. #Mill Construction.# -- Flax, Hemp and Jute Spinning Mills and Rope works -- Heating -- Roofs -- Chimneys, etc. #COLLIERIES AND MINES.# (p. c25) #RECOVERY WORK AFTER PIT FIRES.# By Robert LAMPRECHT, Mining Engineer and Manager. Translated from the German. Illustrated by Six large Plates, containing Seventy-six Illustrations. 175 pp., demy 8vo. Price 10s. 6d. net. (Post free, 10s. 10d. home; 11s. abroad.) #Contents.# #Causes of Pit Fires -- Preventive Regulations#: (1) The Outbreak and Rapid Extension of a Shaft Fire can be most reliably prevented by Employing little or no Combustible Material in the Construction of the Shaft; (2) Precautions for Rapidly Localising an Outbreak of Fire in the Shaft; (3) Precautions to be Adopted in case those under 1 and 2 Fail or Prove Inefficient. Precautions against Spontaneous Ignition of Coal. Precautions for Preventing Explosions of Fire-damp and Coal Dust. Employment of Electricity in Mining, particularly in Fiery Pits. Experiments on the Ignition of Fire-damp Mixtures and Clouds of Coal Dust by Electricity -- #Indications of an Existing or Incipient Fire -- Appliances for Working in Irrespirable Gases#: Respiratory Apparatus; Apparatus with Air Supply Pipes; Reservoir Apparatus; Oxygen Apparatus -- #Extinguishing Pit Fires#: (_a_) Chemical Means; (_b_) Extinction with Water. Dragging down the Burning Masses and Packing with Clay; (_c_) Insulating the Seat of the Fire by Dams. Dam Building. Analyses of Fire Gases. Isolating the Seat of a Fire with Dams: Working in Irrespirable Gases ("Gas-diving"): Air-Lock Work. Complete Isolation of the Pit. Flooding a Burning Section isolated by means of Dams. Wooden Dams: Masonry Dams. Examples of Cylindrical and Dome-shaped Dams. Dam Doors: Flooding the Whole Pit -- #Rescue Stations#: (_a_) Stations above Ground; (_b_) Underground Rescue Stations -- #Spontaneous Ignition of Coal in Bulk# -- Index. #VENTILATION IN MINES.# By Robert WABNER, Mining Engineer. Translated from the German. Royal 8vo. Thirty Plates and Twenty-two Illustrations. 240 pp. Price 10s. 6d. net. (Post free, 11s. home; 11s. 3d. abroad.) #Contents.#