细节
An oxidised-brass surveying level,
signed A. Abraham, Liverpool, in fitted case -- 21in. (53.5cm.) wide, the associated tripod, and a Zeiss prismatic surveying viewer, in case -- 15in. (38cm.) high, with the associated tripod (4)
signed A. Abraham, Liverpool, in fitted case -- 21in. (53.5cm.) wide, the associated tripod, and a Zeiss prismatic surveying viewer, in case -- 15in. (38cm.) high, with the associated tripod (4)