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Manufacture of batteries 9 to 26 Manufacture of batteries. Assembling and sealing 23 Manufacture of batteries. Auxiliary rubber separators 15 Manufacture of batteries. Cases 22 Manufacture of batteries. Casting the grid 9 Manufacture of batteries. Composition of the grid 9 Manufacture of batteries. Covers 16 Manufacture of batteries. Drying the pasted plates 12 Manufacture of batteries. Forming the plates 12 Manufacture of batteries. Home-made batteries 25 Manufacture of batteries. Jars 16 Manufacture of batteries. Materials used for separators 14 Manufacture of batteries. Mixing pastes 11 Manufacture of batteries. Paste formulas 11 Manufacture of batteries. Pasting plates 11 Manufacture of batteries. Philco slotted retainer 15 Manufacture of batteries. Post seal 16 Manufacture of batteries. Preparing batteries for dry shipment 24 Manufacture of batteries. Separators 14 Manufacture of batteries. Terminal connections 25 Manufacture of batteries. Treating separators 14 Manufacture of batteries. Trimming the grid 10 Manufacture of batteries. Vent plugs 22 Manufacture of batteries. Vesta impregnated mats 15 Mechanical rectifier 131 Melting pot for lead 220 Mercury-Arc rectifier 129 Milky electrolyte 206 Motor-generators 106 to 112 Motor-generators. Care of 110 Motor-generators. Operating charging circuits of 109 Motor-generators. Sizes for small and large shops 106 Motor-generators. Suggestions on 108 Moulding instructions 220 Moulding materials 220 Moulds. 164 to 170 Moulds for building up posts 165 Moulds for burning lead sticks 164 Moulds for cell connectors 168 Moulds for plate straps 167 and 169 Moulds for terminal screws 168