Microscope history

B. Gathering Information The microscope has become one of the most recognizable symbols of science. This picture is of the "Lanyard Lens" discovered at Nimrod by Lanyard, and datable all the way back to 721-705 BC. “With the lenses of spectacles widespread, and their obvious magnification properties, it was only a matter of time before someone put two together to make the first compound microscope. Indeed, this was probably already happening with telescopes just before …

…in the lab that we did with the elodea leaf. When we added salt the cell shrank away from the cell wall, but when we put regular what back in then the cell returned back to regular size again. Figure one illustrates what it looks like before plasmolysis takes place. The next couple pictures shows what happens to the cell with salt added. Figure 1. Elodea leaf at regular size. Figure 2. Elodea leaf with salt added.