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Slide Rule/Wheel Calculators

Slide Rule/Wheel Calculators

FEATURING OUR BEST SELLER: SCHEDULING WHEEL CHART

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45 Items

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  1. Pathfinder: Directional Conversion Wheel
    Pathfinder: Directional Conversion Wheel
    Special Price $22.45 Regular Price $24.95
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  2. Circuit Setter Valve Balance Procedure Calculator & Instruction Book
    Circuit Setter Valve Balance Procedure Calculator & Instruction Book
    Special Price $22.45 Regular Price $24.95
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  3. System Syzer Calculator & Instruction Book
    System Syzer Calculator & Instruction Book
    Special Price $22.45 Regular Price $24.95
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  4. Scheduling Wheel Chart
    Scheduling Wheel Chart
    Special Price $8.95 Regular Price $9.95
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  5. Architects' & Engineers' Scales Pocket Set
    Architects' & Engineers' Scales Pocket Set
    Special Price $6.25 Regular Price $6.95
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  6. ENGINEERING REFERENCE CHART
    ENGINEERING REFERENCE CHART
    Special Price $3.15 Regular Price $3.50
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  7. NATURAL GAS FURNACE MANIFOLD PRESSURE CALCULATOR
    NATURAL GAS FURNACE MANIFOLD PRESSURE CALCULATOR
    Special Price $8.95 Regular Price $9.95
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  8. SuperCool Slide Rule Duct Calculator Flex Metal Ductulator Chart
    SuperCool Slide Rule Duct Calculator Flex Metal Ductulator Chart
    Special Price $17.95 Regular Price $19.95
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  9. Duct Design Calculator Wheel
    Duct Design Calculator Wheel
    Special Price $7.15 Regular Price $7.95
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  10. PURON® SUB COOLING CALCULATOR R 22
    PURON® SUB COOLING CALCULATOR R 22
    Special Price $11.65 Regular Price $12.95
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  11. SMACNA Duct System Calculator
    SMACNA Duct System Calculator
    Special Price $53.95 Regular Price $59.95
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  12. Equal Friction Duct Calculator by Carrier
    Equal Friction Duct Calculator by Carrier
    Special Price $8.95 Regular Price $9.95
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  13. Air Duct Calculator - Slide Rule
    Air Duct Calculator - Slide Rule
    Special Price $8.95 Regular Price $9.95
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  14. Ductulator trane- Duct Sizing Calculator, English & Metric Units
    Ductulator trane- Duct Sizing Calculator, English & Metric Units
    Special Price $20.65 Regular Price $22.95
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  15. ACCA Duct Calculation Slide Rule
    ACCA Duct Calculation Slide Rule
    Special Price $53.95 Regular Price $59.95
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  16. Stone, Concrete, Asphalt Aggregate Slide Rule Calculator
    Stone, Concrete, Asphalt Aggregate Slide Rule Calculator
    Special Price $8.95 Regular Price $9.95
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  17. Concrete & Masonry Materials Estimator - Slide Rule
    Concrete & Masonry Materials Estimator - Slide Rule
    Special Price $8.95 Regular Price $9.95
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  18. Asphalt Paving Job Calculator Slide Rule
    Asphalt Paving Job Calculator Slide Rule
    Special Price $7.15 Regular Price $7.95
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  19. Piping Selector SB
    Piping Selector SB
    Special Price $22.45 Regular Price $24.95
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  20. piping selector 150/300 Wheel Calculator
    piping selector 150/300 Wheel Calculator
    Special Price $22.45 Regular Price $24.95
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  21. Structural Steel Detail Guide, Wheel Calculator (Out of Stock)
    Structural Steel Detail Guide, Wheel Calculator (Out of Stock)
    Special Price $17.95 Regular Price $19.95
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  22. Steel Weight Finder,Wheel Calculator
    Steel Weight Finder,Wheel Calculator
    Special Price $17.95 Regular Price $19.95
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  23. COIL WEIGHT CALCULATOR WHEEL CHART
    COIL WEIGHT CALCULATOR WHEEL CHART
    Special Price $13.45 Regular Price $14.95
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  24. Structural Steel Detail Slide by Piping Selector
    Structural Steel Detail Slide by Piping Selector
    Special Price $22.45 Regular Price $24.95
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  25. 2015 Drain Waste Vent Pipe Sizing Calculator, IAPMO
    2015 Drain Waste Vent Pipe Sizing Calculator, IAPMO
    Special Price $17.95 Regular Price $19.95
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  26. SHF ALIGNMENT RULER
    SHF ALIGNMENT RULER
    Special Price $7.15 Regular Price $7.95
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  27. Welding Process Calculator Set
    Welding Process Calculator Set
    Special Price $8.05 Regular Price $8.95
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  28. Storm Water Calculator
    Storm Water Calculator
    Special Price $53.95 Regular Price $59.95
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  29. Conduit Bending Charts
    Conduit Bending Charts
    Special Price $4.50 Regular Price $5.00
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  30. 2012 UPC Water Pipe Sizing Calculator,IAPMO
    2012 UPC Water Pipe Sizing Calculator,IAPMO
    Special Price $17.95 Regular Price $19.95
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  31. MIG Calculator
    MIG Calculator
    Special Price $4.45 Regular Price $4.95
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  32. Stick Calculator
    Stick Calculator
    Special Price $4.45 Regular Price $4.95
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  33. TIG Calculator
    TIG Calculator
    Special Price $4.45 Regular Price $4.95
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  34. 3-Pack (MIG, TIG, Stick) Calculators
    3-Pack (MIG, TIG, Stick) Calculators
    Special Price $8.95 Regular Price $9.95
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  35. Welding Preheat Calculator
    Welding Preheat Calculator
    Special Price $9.85 Regular Price $10.95
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  36. TIG Slide Rule
    TIG Slide Rule
    Special Price $7.15 Regular Price $7.95
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  37. 2021 Drain Waste Vent Pipe Sizing Calculator, IAPMO
    2021 Drain Waste Vent Pipe Sizing Calculator, IAPMO
    Special Price $17.95 Regular Price $19.95
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  38. 2021 UPC Water Pipe System Sizing Calculator, IAPMO
    2021 UPC Water Pipe System Sizing Calculator, IAPMO
    Special Price $17.95 Regular Price $19.95
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  39. 2021 Natural Gas Pipe Sizing Calculator, IAPMO
    2021 Natural Gas Pipe Sizing Calculator, IAPMO
    Special Price $17.95 Regular Price $19.95
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  40. S-2 Walker's Self Computing Lumber Scale
    S-2 Walker's Self Computing Lumber Scale
    Special Price $6.25 Regular Price $6.95
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  41. POCKET SERVICE CARD (RESIDENTIAL) For HCFC-22 Systems
    POCKET SERVICE CARD (RESIDENTIAL) For HCFC-22 Systems
    Special Price $3.55 Regular Price $3.95
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  42. POCKET SERVICE CARD (RESIDENTIAL) For HFC-134A Systems
    POCKET SERVICE CARD (RESIDENTIAL) For HFC-134A Systems
    Special Price $3.55 Regular Price $3.95
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  43. Pocket Transformer
    Pocket Transformer
    Special Price $11.65 Regular Price $12.95
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  44. Mobile Crane Hand Signals Wallet Cards 2" x 3"
    Mobile Crane Hand Signals Wallet Cards 2" x 3"
    $0.00
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  45. Reinforcing Bar Marking Requirements Card (in-lb)
    Reinforcing Bar Marking Requirements Card (in-lb)
    Special Price $3.55 Regular Price $3.95
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