| Packard Armored Cable | 367 |
| Packard Cables | 367, 369 |
| Packing House Cord | 1315 |
| Pads, Strap | 1465 |
| Pads, Warming | 601 |
| Pancake Box Sockets | 846 |
| Panel-Boards and Cabinets | 1267 |
| Panel Board Switches | 1006 |
| Panel Box Connectors | 1086, 1102 |
| Panels, Generator and Feeder | 162 |
| Panels, Motor Starting | 137 |
| Panel Switches | 1055 |
| Paper, Emery | 806 |
| Papers, Empire | 807 |
| Paper Sleeves | 822 |
| Papers, Treated | 807 |
| Paper Tape, Numica | 807 |
| Paper, Waxed | 366 |
| Paragon Ground Cones | 1412 |
| Parallel Cord | 1310 |
| Park and Mining Cable | 1306 |
| P & S Fixtures | 959 |
| P & S Receptacles | 960 |
| P & S Sockets | 939, 951, 960 |
| Paste, Soldering | 804 |
| P & S Tools | 934 |
| Pay Out Reels | 1441, 1444 |
| Pay Stations | 97 |
| Peavies, Socket | 1439 |
| Pencil Zincs | 434 |
| Pendant Brackets | 1398 |
| Pendants, Cutter | 774 |
| Pendent Sockets | 857 |
| Pendent Switches | 887, 973, 981 |
| Pendent Switches, P & S | 973 |
| Percolators, Coffee | 600 |
| Perkins and Bryant Sockets | 844 |
| Perkins Pull Switches | 889 |
| Perkits Switches | 886, 890 |
| Photolite | 637 |
| Photometers | 320 |
| Picks | 1442 |
| Pierce Cable Rings | 1427 |
| Pike Poles | 1439 |
| Pins, Clamp | 1375 |
| Pins, Insulator | 1387, 1398 |
| Pins, Iron | 1400 |
| Pins, Lee | 1373 |
| Pins, Pipe | 1375 |
| Pins, Pole Top | 1374, 1378 |
| Pins, Porcelain Base | 1372 |
| Pins, Screw | 1395 |
| Pins, Steel | 1375, 1377 |
| Pins, Wood | 1387 |
| Pins, Wood Top | 1371 |
| Pins, W. U. Steel | 1387 |
| Pipe and Cigar Lighter, Automobile | 373 |
| Pipe Benders | 1486 |
| Pipe Caps, G.V | 1142 |
| Pipe Clamps | 1376 |
| Pipe Cutters | 1487 |
| Pipe Hooks | 1143 |
| Pipe Pins | 1375 |
| Pipe Straps | 1140 |
| Pipe Threaders | 1485 |
| Pipe Vises | 1487 |
| Pipe Wrenches | 1475, 1481 |
| Pittsfield Spark Coils. | 346 |
| Pittsfield Timers | 345 |
| Plants, Small Electric Lighting | 236 |
| Pisstic Compound, Delta | 812 |
| Plates, Adapter | 1081 |
| Plates, Bracket | 764 |
| Plates, Butt | 1405 |
| Plates, Combination | 879 |
| Plates, Flush Switch | 1082 |
| Plates, Hub | 1405 |
| Plates, Laboratory | 608 |
| Plates, Numica | 817 |
| Plates, Push | 520, 527 |
| Plates, Push Switch | 873 |
| Plates, Rotary Switch | 875 |
| Plates, Special | 878 |
| Plates, Switch | 385, 874, 1005, 1009 |
| Plates, Wall | 764 |
| Plates, Wall, Ball Joint | 674 |
| Plate Warmer, Hughes | 622 |
| Platforms, Pole | 1407 |
| Pliers | 1458 |
| Pliers, Crimping | 1427 |
| Plug Attachments | 984 |
| Plug Clusters | 737 |
| Plug Cut-Outs | 1056 |
| Plug Fuse Cases | 1064 |
| Plug Fuses, Indicating | 1064 |
| Plug Fuses, Type B | 1064 |
| Plugs and Receptacles | 1134 |
| Plugs, Attachment | 867, 914, 920, 979, 1074 |
| Plugs, Bryant | 866 |
| Plugs, Chandelier | 917 |
| Plugs, Composition | 915 |
| Plugs, Connector | 377, 611 |
| Plugs, Detachable | 609 |
| Plugs, Fish | 1103 |
| Plugs, Fuse | 1057 |
| Plugs, Hubbell Attachment | 921 |
| Plugs, Interchangeable | 862 |
| Plugs, Porcelain | 915 |
| Plugs, Receptacle | 987 |
| Plugs, Signal Attachment | 932 |
| Plugs, Weatherproof | 916 |
| Plug Switch | 381 |
| Plumbers Scrapers | 1494 |
| Pocket Meters | 341 |
| Pockets, Mica | 1134 |
| Pocket Volt-Ammeters | 341 |
| Pocket Tool Kits | 1464 |
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| Pocket Voltmeters | 341 |
| Points, Drill | 1478 |
| Pole and Wall Fittings | 802 |
| Pole Bands | 1394 |
| Pole Brackets | 1392 |
| Pole Climbers | 1465 |
| Pole Counters | 1495 |
| Pole Dinkey | 1443 |
| Pole Fittings | 802 |
| Pole Gains, Steel | 1403 |
| Pole Locks | 785 |
| Pole Platforms | 1407 |
| Pole Protection Strips | 1405 |
| Pole Seats | 1407 |
| Poles, Pike | 1439 |
| Pole Steps, Miseellaneous | 1406 |
| Pole Supports | 1440 |
| Poles, Wood | 1383 |
| Pole Top Material | 1396 |
| Pole Top Pins | 1374, 1378 |
| Polisher, Electric | 128 |
| Polyphase Watthour Meters | 303 |
| Polyphase Wattmeter | 272 |
| Pony Duplex Insulators | 1339 |
| Porcelain Angle Receptacles | 926 |
| Porcelain Base Pins | 1372 |
| Porcelain Bushings | 1138, 1336 |
| Porcelain Cleats | 1337 |
| Porcelain Decorative Sockets, P & S | 969 |
| Porcelain Insulators | 1338 |
| Porcelain Knobs | 1329, 1394 |
| Porcelain Lined Bushings | 1141 |
| Porcelain Lined Sockets | 975 |
| Porcelain Plugs | 915 |
| Porcelain Receptacles | 848, 915, 925, 955 |
| Porcelain Receptacles, Cleat, P & S | 966 |
| Porcelain Receptacles, Decorative, P & S | 971 |
| Porcelain Receptacles, P & S | 961, 966, 971 |
| Porcelain Rosettes | 859, 972 |
| Porcelain Shades | 733 |
| Porcelain Sockets | 843, 904, 961 |
| Porcelain Tubes | 1335 |
| Porcelain Wall Receptacles | 925, 955 |
| Porch Bands | 761 |
| Porch Number, Illuminated | 468 |
| Portable Bond Tester | 321 |
| Portable Galvanometers | 329 |
| Portable Hand Lamps | 375 |
| Portable Millivoltmeters | 266 |
| Portable Ohmmeter | 321 |
| Portables | 660, 674 |
| Portables, Desk | 661, 664, 666 |
| Portables, Emeralite | 661 |
| Portables, Floor, White | 674 |
| Portable Testing Sets | 328 |
| Portable Voltmeter | 264 |
| Portable Watthour Meters | 297, 305 |
| Post Hole Augers | 1442 |
| Post Hole Diggers | 1442 |
| Post Parts, Ornamental | 795 |
| Posts, Binding | 542 |
| Posts, Ornamental, Cutter | 786 |
| Pothead Compound | 822, 824 |
| Pot Head Compound, Ajax | 824 |
| Pot Head Wires | 1313 |
| Pots, Melting | 1493 |
| Pouring Ladles | 1493 |
| Power-Factor Meter | 285 |
| Prepayment Meters | 308 |
| Pressboard | 819 |
| Presteel Poles | 1379 |
| Primary Batteries | 424 |
| Protection Strips, Pole | 1405 |
| Protector Blocks | 102 |
| Protector Groups | 102 |
| Protector Micas | 102 |
| Protectors, Cable Grip | 1431 |
| Protectors, Crossing | 1370 |
| Protectors, D. & W | 1068 |
| Protectors, Line Wire | 1370 |
| Protectors, Telephone | 101 |
| Pruners, Tree | 1456 |
| Priming Hook and Saw | 1456 |
| Pull Attachments | 898 |
| Pulley Blocks | 1447, 1454 |
| Pulley Blocks, Laurent Cherry | 1455 |
| Pulley Blocks, Wood | 1454 |
| Pulleys, Inter-Rope | 779 |
| Pulleys, Lamp-Supporting | 779 |
| Pulleys, Mast Arm | 779 |
| Pulleys, Miscellaneous | 780 |
| Pull Socket Chain | 826 |
| Pull Sockets | 896, 903, 905, 944 |
| Pull Sockets, Candelabra | 905 |
| Pull Sockets, Electroller | 903 |
| Pull Sockets, Hubbell | 896, 898 |
| Pull Sockets, P & S | 944 |
| Pull Sockets, Special | 903 |
| Pull Switches | 889, 897, 911 |
| Pull Switches, Electrolier | 912 |
| Pull Switches, Hubbell | 897, 911 |
| Pull Switches, Rosette | 912, 914, 947 |
| Pull Wall Sockets | 908 |
| Pumps, Electric | 589 |
| Pumps, Garage | 394 |
| Pumps, Tire | 394 |
| Punch, Hand | 1089 |
| Puritan Switches | 382 |
| Push Braces, Yankee | 1475 |
| Push Buttons | 381, 514, 522 |
| Push Buttons, Dad | 356 |
| Push Buttons, Tip-top | 356 |
| Push Button Switches | 381, 384, 1004, 1009 |
| Pushes | 522 |
| Push Plates | 520 |
| Push Switch Plates | 873 |
| Pyrene Fire Extinguishers | 566 |
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