UNSIGNED,
Details
A BRASS ELIPSEOGRAPH-TRAMMEL,
unsigned,
with steel pointers--36in. long,the bar; and a Daniell's register pyrometer, the brass instrument with silvered scale in shaped mahogany case--6in. long (2)
unsigned,
with steel pointers--36in. long,the bar; and a Daniell's register pyrometer, the brass instrument with silvered scale in shaped mahogany case--6in. long (2)