Cylindrical slide rule, ends are plastic simulated to look like dark wood, with printed paper tables on the main drum and the spiral logarithmic line, printed on paper, on a wide sliding collar around the drum. A brass, horizontal fixed scale runs from one end to another. Rectangular wooden base, box-hinge lid. Includes brass angled rod for holding instrument, trade card, warning on proper use, and booklets.
Inscription/Sig.
"FULLER CALCULATOR MADE IN ENGLAND." on pointer.
"FULLER'S SPIRAL SLIDE RULE" amongst lines on collar.
