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Magnifying Comparators

Article No. 11947

Magnifying Comparator, Pocket Model

This Magnifying Comparator has many reticles options. You can use it just as you do any other scale - put it down on the work and measure. When things are small you have to magnify both them and the measuring scale in some way, and this is the most convenient and least expensive way to do it. An optical tool designed to take advantage of modern manufacturing methods to get accuracy, roughness, portability and versatility at an extremely low price.

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$59.00 excl. taxes & shipping cost


  • Transparent Barrel Focusing Magnifier
  • Interchangeable Reticle (Transparent Scale)
  • Measure small dimensions accurately and conveniently.
  • Compare small shapes with established standards.
  • Do many similar jobs in new and unusual ways. More than 60 different reticles (transparent scales) are available. If you work with small objects or expect to do so, you need it in your tool kit. GUARANTEED. It is fully guaranteed.
  • Extreme Accuracy produced through newly-designed cameras which reproduce certified accurate scales on Reticles made of extremely tough, low expansion photographic film. Each Reticle is an original photograph. The accuracy is permanently built into the Reticle, and minor variations in the instrument do not affect it.
  • Can Be Positioned on Objects of Any Size. No depth-of-throat limitations with comparator.
  • Take it to the Work - Easily. You do not have to take the work to it as with larger tools making similar measurements. This results in important labor savings.
  • Many Reticle Patterns. Reticles for practically every use required in metalworking, measuring and comparing, as well as for other applications.
  • Only One Scale on a Reticle. Much easier to use because it is free from confusion of the user which results when many scales are crowded onto one Reticle.
  • Low Parallax. Reduces the spacing between work and scale to only .003" which prevents scratching yet practically eliminates parallax error.
  • Both Black-Line and White-Line Reticles. A unique feature is the supplying of the Reticles in pairs of the same pattern, one having black lines and one white lines, to insure contrast with the work being measured.
  • Needs No Special Light Source. Light is admitted through the transparent walls of the comparator to the object viewed. Any light adequate to inspect a part is adequate.
  • Also a High-Powered Magnifier. Without the Reticle, which is easily removed or interchanged, the Comparator becomes a high-powered magnifier, useful in many ways.
  • Pull-or-Twist Focusing. A unique construction that permits very quick focusing yet allows collapsing the instrument by a simple push when storing or carrying.
  • Quality Construction. Utilizes the best ground and polished glass lenses; the best plastics for the purpose regardless of cost; extra thick plastic for permanent rigidity; Reticles of special low-shrinkage plastic, bound in aluminum and stainless steel.
  • Small, Light and Rugged. A truly pocket instrument, as easily carried as a steel scale.

Delivery Content

11947 - Comparator with 6x magnifier, case and one pair of No. 121 Reticles (no substitutes)

11977 - Comparator with 6x magnifier, case and four pair of No. 121, 122, 123, 124 Reticles (no substitutes)


No. 121 Reticle,  1/2”x.005” Div
No. 122 Reticle, 15mmx0.1mm Div.
No. 140 Reticle, Caliper, Decimal Inch
No. 141 Reticle, Circles Inch
No. 143 Reticle, Drill Points
No. 144 Reticle, Circle Metric Sizes
No. 145 Reticle, Pistol Bullet Holes
No. 146 Reticle, Large Circles Metric
No. 149 Reticle, Azimuth Bearing Circle
No. 156 Reticle, Widths Fractional Inch
No. 158 Reticle, Caliper Metric Sizes
No. 159 Reticle, Holes, Metric Sizes
No. 160 Reticle, Circle, Decimal Inch
No. 161 Reticle, Circle Fractional Inch
No. 162 Reticle, Crossed Scales Inch
No. 177 Reticle, Thread Pitch Metric
Thread Pitch Metric Sizes Reticle
No. 178 Reticle, Protractor
No. 179 Reticle, Wire Mesh Screen
No. 182 Reticle, Angles
No. 186 Reticle, Printers Point Rule
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