Fearns Tank Capacity Calculator

---

Country of manufacture: England,            Date of manufacture: _____
Diameter: 19.2 cm,      Weight: 200.1 gms
Materials: all plastic
Scales: 14, specialty
Front: Imperial Measurements
     Outer Disk: Tank Capacity (2 scales), Breadth (Rectangular Tanks)
     Miiddle Disk: Depth (Rectangular Tanks), Diameter (Cylindrical Tanks), h/D Ratio (for partially filled CylindricalTanks)
     In-Most Half-Disk: Length, Instructions
Back: Metric Measurements
     Outer Disk: Tank Capacity (2 scales), Breadth (Rectangular Tanks)
     Miiddle Disk: Depth (Rectangular Tanks), Diameter (Cylindrical Tanks), h/D Ratio (for partially filled CylindricalTanks)
     In-Most Half-Disk: Length, Instructions
Gauge Marks: [      ]
Condition: C1 (Mint but with crumpled instruction sheet)
Came with: Black plastic case, instruction sheet

---

  

---