Tensio cordis, lipothymiae causa, occasione experimenti pneumatici exposita ...
A Latin medical dissertation by Elias Rudolph Camerarius, printed at Tübingen in 1686 by Martin Rommel, concerning heart tension and fainting studied through air-pump experiments. The single picture is a densely ornamented woodcut initial letter, a large decorated capital I with foliate scrollwork beside lines of black-letter type, offering a designer a model for historic display lettering and ornamental drop caps.
