拍品专文
See colour illustration
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UNSIGNED
细节
A late 18th/early 19th Century 7cm. reflecting telescope
Unsigned
The brass body tube with primary and secondary speculum mirrors and tangent-screw focusing mounted to right, cap, with brass tripod stand with inswept feet
44.5cm. long
Unsigned
The brass body tube with primary and secondary speculum mirrors and tangent-screw focusing mounted to right, cap, with brass tripod stand with inswept feet
44.5cm. long