19th Century Chinese (Hong Kong) Pocket Sundial with Compass in Original Lidded Case wrapped bark box Super graphic and to my

Super graphic and to my eye really gorgeous

each page separated with a sheet of spiderweb patterned paper

of several antique math and geometry notebooks from a bookseller in England whose late husband collected them

I really love these as three-dimensional paintings

19th Century Chinese (Hong Kong) Pocket Sundial with Compass in Original Lidded Case wrapped bark box Super graphic and to myI have an obsession with pocket sundials I love the very idea of them, a portable time teller in absence of a watch, with flip up blade at the ready to read the sun but this is only the second I've found. This one I believe is Chinese, and other similar examples I have found out there indicate specifically from Hong Kong, later 19th century, while it was under British rule. The brass angle (gnomon) can be rested flat to either side, then when ready to