
The National Stenographer (Chicago) March 1890 –

Martin Howard displays at Munson 1 here, which is different from the conception above. Munson does not have appeared to have made that model.
The National Stenographer (Chicago) June 1893 –

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I had not heard of this brand prior to your article. Very informative!
Wouldn’t it be magical to find a Munson that looked like this proto-design??