Name of this instrument? similar to vernier calliper

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Discussion Overview

The discussion revolves around identifying an instrument used for measuring the length of a slit, which resembles a vernier caliper but incorporates features akin to a microscope, including a movable magnifying glass for precise measurements.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant describes the instrument as measuring to hundredths of a millimeter and having an antique appearance.
  • Another participant suggests it could be a micrometer screw gauge.
  • A different participant challenges this by emphasizing the microscope-like appearance of the instrument.
  • Another participant proposes that it is a "travelling microscope," noting that the small magnifier is used for reading the vernier scale.
  • A later reply expresses gratitude for the identification, confirming the suggestion of "travelling microscope."

Areas of Agreement / Disagreement

Participants present multiple competing views regarding the identification of the instrument, with no consensus reached on a single name.

jmher0403
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I used this instrument to measure the length of a slit.

It was similar to vernier calliper but it looks like a microscope and had movable small magnifying glass to determine the line that perfectly matches up with the measured value.

It measured to hundreth of a millimeter...

does anyone know what this is called?

It looked quite antique old fashioned looking, by the way.
 
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micrometer screw gauge
 
um it looks like a microscope, not micrometer
 
I think it is a "travelling microscope"
The small magnifier is for reading the vernier scale.
 
yep that's the one thank you so much ;)
 

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