compend

An epitome or compend, as of a book; a shortened or abridged form; an abbreviation.

His papers are a rare compend of literary criticism.

These lectures are said to be “the first example of a popular compend of religion,” and are particularly interesting for the insight which they give us both into the creed-forms of the early church and the various ceremonies of initiation constituting baptism in the 4th century.

He has treatises concerning Metals and Minerals; concerning Alchemy; A Treatise on the Secret of Chemistry; A Concordance, that is a Collection of observations from many sources with regard to the Philosopher's Stone; A Brief Compend on the Origin of the Metals; A Treatise on Compounds; most of these are to be found in his works under the general heading "Theatrum Chemicum."

His "Historical Compend" is one of his important works.