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voor de liefhebbers van submarine tactics :)

Notes on Anti-Submarine Defenses [website capture] (ONI, 1917) WW
1 pdf

INDEX. 
Attachments: Paragraph 
 To mooring buoys  62 
 Of timber floats to jack stays 30 
 Of barrel floats to jackstays 34 
Boom defense vessels:  
 Chief features of  42 
Calcium flares 19 
Cross connectors 9 
"Destroyer" booms 79 
Dolphin defenses 93 
Examination service 119 
Floats:  
 Spacing of 24 
 Types of 25 
 "Rendering" buoy 51 
" Holmes" light  19 
Hurdle defenses:  
 Construction and placing of  105 
Hydrophones  22 
Jackstays:  
 Length of :  15 
 "Continuous" jackstays 17 
 Size of 14 
 Attachments to 30 
Magnetophones 22 
Mine fields 23 
Moorings:  
 For vessels 52 
 For buoys 57 
 Length of pendants 48 
 Attachment of, to mooring buoys 62 
 Weights of anchors for 53 
 Cast-iron anchors for 66 
 Chain cable for 67 
 Flexible steel wire employed for 67 
Net sections:  
 Lengths of 6 
 Depth of 11 
 Detachable net sections  18 
 Net sections fitted with mines  20 
 Attachment of, to mooring buoys 62 
Net defenses:  
 Circumstances governing design 2 
 Moral effect of 85 
 Representative net defense 5 
 Nets for great depths 12 


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CONTENTS 
Net defenses - Continued. Paragraph. 
 Size of mesh for 5 
 Method of forming mesh 9 
 Net defenses not held by vessels 47 
 Functions of 75 
 Method of laying 86 
 Selection of site for 4 
 Net defenses supported by towers 91 
Protected anchorage 119 
"Rendering" winches 36 
"Rendering" buoy 51 
Ships' passages or gates 68 
 Width of 69 
 Swinging gates 70 
 Vertical gates  73 
 Signals for 114 
 Fog signals for  116 
 Order of passing through 117 
Swept channel:  
 Position of 23 
Telephones 113 
...

Thanks to Rockhound57 :)