This is an instrument used to determine the richness of milk. due to the specific gravity
bugle
A quadrant was (and still is) an instrument that is used to measure angles up to 90°. It was first used by Ptolemy, the Greco-Roman mathematician, astronomer, geographer and astrologer. He introduced the quadrant as a better kind astrolabe and instrument used by astrologers and navigators locating and predicting the positions of the stars, determining local time and local latitude and for surveying and triangulation.
The Colossus of Rhodes was the first of the World Wonders to be destroyed, falling to an earthquake in 226 BCE.
Compass
htr
A seismograph.
A Seismograph
Seismometer
The instrument that can measure the density of an earthquake is called an seismometer. The first seismoscope dates back to 132 AD.
seismogram
Richtor scales
I think it's a seismograph.
The Richter Scale is used to rate earthquakes.
A seismometer, or seismograph. One of the two! :)
A seismograph is an instrument used to measure movement of earthquake. It measures the seismic waves of that area.
You use a seismograph to measure the strength of an earthquake.