It just happened that I currently have 100 type specimens scanned at 200dpi, which is a perfect number for an analysis of typewriter typefaces. These have all been taken from typewriters either in my collection, formerly in my collection, or other opportunities I have taken.
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elite and smaller typefaces
pica and larger typefaces
Measuring width only, the Adler Contessa's Pica is the largest pica in my collection, and my Hermes 3000's Director Pica is the smallest. The Olympia SM9's Congress Elite is the largest elite and the Hermes 3000's Director Elite is the smallest. For these comparisons, I am not including the Piclite typeface used on many Brother machines because it really is neither pica nor elite. The difference between the largest elite and smallest pica is actually smaller than the difference found among elite typefaces.
The typefaces you see do not represent the complete range of sizes that were available. I only have 14cpi to 6cpi typefaces, but 21cpi, 17cpi, and 5cpi typewriters were produced, as well as 9cpi and 8cpi typefaces which I have none of.
German typewriters tend to have the largest type, Italian typewriters also have large type, American typewriters have smaller type, but the smallest is found on Hermes typewriters. Japanese typewriters are not represented well enough here to make a conclusion for them.
I have solved the grey cast problem—I am now saving my typecasts as 256 color png files.
Sent from 100 typewriters.