GAMMA Marine Training Institute - Sextant The sextant is an instrument used to measure angles. Mainly used at sea, the tool is so named because its arc is one-sixth of a circle –
![An Instrument For Measuring Angles In The Form Of A Flat Semicircle Marked With Degrees Along The Curved Edge. It Has 0 To 180 Degrees On Both Sides, Vintage Line Drawing Or An Instrument For Measuring Angles In The Form Of A Flat Semicircle Marked With Degrees Along The Curved Edge. It Has 0 To 180 Degrees On Both Sides, Vintage Line Drawing Or](https://previews.123rf.com/images/morphart/morphart1910/morphart191078570/132956932-an-instrument-for-measuring-angles-in-the-form-of-a-flat-semicircle-marked-with-degrees-along-the.jpg)
An Instrument For Measuring Angles In The Form Of A Flat Semicircle Marked With Degrees Along The Curved Edge. It Has 0 To 180 Degrees On Both Sides, Vintage Line Drawing Or
![Protractor instrument for measuring angles at suction valve of the pump. | Download Scientific Diagram Protractor instrument for measuring angles at suction valve of the pump. | Download Scientific Diagram](https://www.researchgate.net/publication/331231848/figure/fig3/AS:728410242428936@1550677943680/Protractor-instrument-for-measuring-angles-at-suction-valve-of-the-pump.png)
Protractor instrument for measuring angles at suction valve of the pump. | Download Scientific Diagram
![Illustration of an astronomical quadrant, an instrument used to measure angles up to 90 degrees, Stock Photo, Picture And Rights Managed Image. Pic. IAM-WHA-097-0154 | agefotostock Illustration of an astronomical quadrant, an instrument used to measure angles up to 90 degrees, Stock Photo, Picture And Rights Managed Image. Pic. IAM-WHA-097-0154 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/1d5bb3f49129b6125c158f80c375fea4/iam-wha-097-0154.jpg)
Illustration of an astronomical quadrant, an instrument used to measure angles up to 90 degrees, Stock Photo, Picture And Rights Managed Image. Pic. IAM-WHA-097-0154 | agefotostock
![Angle Gauge - Measuring Instrument - Precision, Mechanical Engineering & Industrial Testing Instrument Angle Gauge - Measuring Instrument - Precision, Mechanical Engineering & Industrial Testing Instrument](https://measuringtoolscentre.com/wp-content/uploads/2018/07/AG-600x235.png)