Oughtredus explicatus, sive, Commentarius in ejus Clavem Mathematicam. : Cui additae sunt planetarum Observationes & Horologiorum Constructio. /
Clerke, Gilbert,1626-1697?
Londini : typis Milonis Flesher; veneunt apud Ric. Davis, bibliopolam Oxoniensem,
1682..
Clerke's explanation of Oughtred, William  "Clavis mathematicae" (Wing O573).
"Astronomica specimina ad observationes planetarum faciendas & horologiorum constructionem." has separate date title page, pagination, and register. Also issued separately (see Wing C4446).
Wing (2nd ed., 1994)
ESTC
Oughtred, William, 1575-1660.
Mathematics
Planets
Sundials