| NAME | MATCH NR. |
DESCRIPTION |
| Padotorhna Russian | 3886 | Technical slide rule of wood/metal |
| Parisian Novelty Co Travenol Minislide | 3898 | Medical slide rule of plastic, 165x30x1.5 mm Front Scales: D = 6inch C B 15cm = A |
| Penol 1005A | 2107 | Generic slide rule of plastic, 285x40.2x3.8 mm Front Scales: S K A = B CI C = D L T |
| Penol 102A | 2105 | Generic slide rule of plastic, 282x42.8x5 mm Front Scales: 25cm / A = B CI C = D K ] 10inch Back Scales: = S L T = |
| Penol 521A | 2106 | Generic slide rule of plastic, 151x27x3.2 mm Front Scales: A = B CI C = D K |
| Perilog | 2108 | Generic disc of plastic, 77x2.7 mm Front Scales: C = D, Back Scales: L = S |
| Pfeiffer Hexadaisy | 5046 | Calculate disc |
| Pickworth WH. SC | 2191 | Generic slide rule of all wood, 275x26x6.5 mm Front Scales: A = B C = D |
| Pignone Control Valve Sizing | 2193 | Log/tech slide chart of plastic, 230x58x3 mm |
| Pignone Regulo Calculatore Per Valvole Di Sicurezza Pignone | 2194 | Log/tech slide chart of plastic, 305x94x2.5 mm (1972) Front Scales: 11 scales Back Scales: 5 scales |
| Planosec Birth disc | 2199 | Medical disc of plastic, 90x1.2 mm Front Scales: 1) = 2) |
| Plastograf Sao Paulo | 3919 | Generic slide rule of plastic, 153x31 mm Front Scales: 14cm / K A = B CI C = D L |
| Plateau de Navigation 1 | 2200 | Aviation disc of plastic/metal, 180x245x13 mm Front Scales: Several scales |
| Plateau de Navigation 1 A.N. 1 | 2202 | Aviation disc of plastic/metal, 180x245x13 mm Front Scales: Several scales |
| Practical Electronics Component Selector | 5252 | Electrical slide chart of cardboard |
| Pratt & Whitney Aircraft 644218 | 2225 | Aviation disc of plastic, 211x25 mm (1970) Front Scales: window 1 1)+2) om window 2) 3)om window 3 = 4) 5) window 4 = 6) 7) = 8)=9) |
| Propess Birth disc | 3068 | Medical disc of plastic, 108x1 mm Front Scales: 1) = 2) |
| Protractor | 2065 | Generic sector of bone, 152x35x1.3 mm |
| Protractor | 2722 | Calculate protractor of bone, 85x16.4x1.7 mm |
| Protractor | 2727 | Protractor of all wood, 153x34x1.2 mm |
| Protractor in instrument case | 2723 | Calculate protractor of all wood, 153x33x1.7 mm |
| Protractor Transversalmasstab | 2731 | Military protractor of brass, 210x65x1 mm Front Scales: 1) 2), Back Scales: 3) |
| Psychrom Rekenschuif | 2227 | Log/tech slide rule of aluminium, 187x30 mm |