Technology leads to Discovery & Microscopy. Map the process of Dr. Warren's discovery of bacteria (not confirming the bacteria causes ulcers), starting with observing a thin blue line on top of the stomach tissue from the gastrointestinal cross-section, to confirming that it was indeed numerous, spiral shaped bacteria distinguished by number and type of flagella. Theorize and list all the possible technology he could have used to increase magnification, resolution, and contrast.

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