- 1744B 10″ Duplex with chisel cursor and 2 slides (Trig Scales)
- 4010 Stima Calculator
- 4031 5″ Mannheim with glass cursor
- 4032 5″ Mannheim with magnifier
- 4035 8″ Mannheim
- 4041 10″ Mannheim
- 4045 16″ Mannheim
- 4053-2 8″ Polyphase Mannheim
- 4053-3 10″ Polyphase Mannheim
- 4054 10″ Favorite Mannheim
- 4055 10″ Mannheim
- 4056 10″ Mannheim
- 4058 10″ Mannheim Student’s / Beginner’s Slide Rule
- 4059 8″ Mannheim Beginner’s Slide Rule
- 4061 5″ Polyphase Duplex
- 4061T 5″ Polyphase Duplex Trig
- 4065T 8″ Polyphase Duplex
- 4071 10″ Polyphase Duplex
- 4071T 10″ Polyphase Duplex Trig
- 4097x & 4098 5″ Mannheim “EverThere” Slide rule
- 4098A 5″ Mannheim “Pocket” Slide rule
- 4141 Hudson’s Horsepower Computing Scale on boxwood
- 4153-1 5″ Plastic Polyphase Mannheim
- 4158 10″ Plastic Mannheim Beginner’s Slide Rule
- 4161-1 5″ Plastic Polyphase Mannheim
- 4161-3 10″ Plastic Polyphase Mannheim
- 8858 10″ Mannheim Beginner’s Slide Rule WWII special 1944
- 9061-1 (4161-1) 5″ Plastic Polyphase Mannheim
- 68 1576 (4161-3) 10″ Modern Polyphase (Jet Math)
- 68 1586 (4161-1) 5″ Modern Polyphase (Jet Math)
- 68 1617 (4053-3) 10″ Polyphase Mannheim
- 68 1643 (4153-1) 5″ Polyphase Mannheim with pocket clip
- 68 1892 (4158) 10″ Plastic Mannheim Beginner’s Slide Rule
- American 10″ Mannheim
- Lumber Slide Rule
- Mystery 10″ Mannheim
- Young’s Specific Gravity & Compound Cost Calculator