1 matching record(s)
file U (Stack)[Rowland, David]
Rowland's Double Sextant, and Circle
n.p., n.d. From the Patent Office Library (removed 1919)
[Unknown]
[n.d.]
1 matching record(s)
file U (Stack)[Rowland, David]
Rowland's Double Sextant, and Circle
n.p., n.d. From the Patent Office Library (removed 1919)
[Unknown]
[n.d.]