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a persicope
drawing
A planar projection map is a map projected onto a plane (flat surface). The details of the globe are a rectangular shaped map that is on a flat surface.
You would need an extremely high-powered microscope to see the fine details. For this high powered of a microscope, it would only be found in laboratories
Transmission Electron Microscope
Forensic Files - 2000 Scratching the Surface was released on: USA: 2002
Try a tape measure and a calculator to measure surface area.
weather meshure sticks
a spring scale
A Periscope or Radar
seismograph
Percussion
an instrument used to measure the flux of solar radiation through a surface.
periscope
a persicope
Mars.
A spirit level.