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CALCULATORS/SLIDE RULES

CALCULATORS/SLIDE RULES

FEATURING OUR BEST SELLER: SCHEDULING WHEEL CHART
 

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  1. 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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  2. System Syzer Calculator & Instruction Book
    System Syzer Calculator & Instruction Book
    Special Price $22.45 Regular Price $24.95
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  3. Equal Friction Duct Calculator by Carrier
    Equal Friction Duct Calculator by Carrier
    Special Price $8.95 Regular Price $9.95
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  4. 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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  5. SHF ALIGNMENT RULER
    SHF ALIGNMENT RULER
    Special Price $7.15 Regular Price $7.95
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  6. 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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  7. 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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  8. TIG Slide Rule
    TIG Slide Rule
    Special Price $7.15 Regular Price $7.95
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  9. Math Pie Wheels, All Grades -- English
    Math Pie Wheels, All Grades -- English
    Special Price $2.70 Regular Price $3.00
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  10. Math Pie Wheels, All Grades -- Wastewater -- English
    Math Pie Wheels, All Grades -- Wastewater -- English
    Special Price $2.70 Regular Price $3.00
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  11. Drill Point Sharpening Gage With Imperial (Inch) Markings
    Drill Point Sharpening Gage With Imperial (Inch) Markings
    Special Price $13.45 Regular Price $14.95
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  12. Ultra Dimension Master 50
    Ultra Dimension Master 50
    Special Price $40.45 Regular Price $44.95
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  13. StudMark
    StudMark
    Special Price $13.45 Regular Price $14.95
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