Your example has a killer (cancel) made up of horizontal lines. The postmark is made up of horizontal lines of text, with city, date, etc. (also called 'rectilinear'). There are a number of possible manufacturers of this machine. Start the search by answering the following question:
Question: Does the time appear on its own line of the postmark?
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Bob Swanson's Machine Cancel Page
Bob Swanson's Postal History Page
Updated Sun Feb 24 10:13:17 MST 2019