Simple and Solar Microscope Case with Accessories, c.1746

Flat-folding tripod supports an octagonal brass pillar into which fits a brass tube carrying a wheel with eight objectives. This instrument can be used as a simple microscope with a dyed black ivory eyepiece or with a black ivory compound body tube. Adams called this microscope "A New Apparatus for confining Frogs, Mice, Bats, or any other creatures of like size particularly adapted to the Universal Microscope."

The solar microscope is separate and consists of an adjustable mirror attached to a square plate with two screws for fixing it to a window shutter, a condenser lens is set into the back plate and a body tube can be screwed into this. This is stored in a cardboard box which also contains the wooden accessory box which is covered in black fishskin. The accessory box contains a square frame fishplate with green ribbon through some of the holes, an ivory-mounted magnifier, an accessory pin for attaching accessories to the stage including stage forceps and an ivory disc in a brass mount and an empty brass mount, a hinged copper alloy wet cell with three sections, tweezers, five ivory sliders stamped with numbers, an ivory talc box containing mica discs, a coil of copper alloy wire, Lieberkühn, blackened eyepiece, quill brush, three glass phials, copper alloy wire cleaner, and a flat copper alloy fitting with a mounted section.