English, dated to the rear of the limb 1865, engraved to the top of the limb 'POWELL & LEALAND 170 Euston Road, London', of typical form, the cast tripod base with pad feet, main body supported on trunnions, large plano-concave mirror in single armed gimbal, focusing substage with Powell & Lealand pattern achromatic condenser, mechanical stage, rack and pinion focusing (faulty), singe 1/4" objective engraved 'Powell & Lealand', with correction collar, single eyepiece,
Note missing fine focus screw to rear of limb
Sold for £625
Result including buyers premium
English, dated to the rear of the limb 1865, engraved to the top of the limb 'POWELL & LEALAND 170 Euston Road, London', of typical form, the cast tripod base with pad feet, main body supported on trunnions, large plano-concave mirror in single armed gimbal, focusing substage with Powell & Lealand pattern achromatic condenser, mechanical stage, rack and pinion focusing (faulty), singe 1/4" objective engraved 'Powell & Lealand', with correction collar, single eyepiece,
Note missing fine focus screw to rear of limb
Auction: Science, Medicine & Early Technology, 1st May, 2024