Chrome-plated steel; leather case and velvet.
Case: 3 1/2 x 7 1/4 in. (8.9 x 18.4 cm)
Leather case with sluding lock and blue velvet fitted lining holding drafting tools.
a. leather case
c. set screwdriver
e. compass extension
f. inking pen attachment for compass
g. case containing lead points
h. inking pen with ebony handle
Due to ongoing research, information about this object is subject to change.