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American Engineer's Transit Theodolite by Eug...
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Small Transit Theodolite by Butenschön, c. 19...
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7 Wood Boxes for Surveying Instruments, c. 1...
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7 Wood Boxes for Surveying Instruments, c. 18...
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Large Surveyor's Level by Otto Fennel, c. 187...
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Italian Full-Circle Surveying Instrument, c. ...
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Reichenbach's Optical Distance Meter, c. 1820...
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Early Surveying Level by Ertel, c. 1840...
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Large English Surveyor's Level with Compass, ...
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Surveying Level by Starke & Kammerer, c. 1890...
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Surveying Level by Dennert & Pape, c. 1900...
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Early Theodolite by Eccard in Carlsruhe, c. 1...
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Ernst Leitz Brass Microscope, 1895...
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Trichina Microscope by Teschner, c. 1900...
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English Brass Culpeper-Type Compound Monocula...
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Cuff-Type Compound Microscope, Second Half of...
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Large Microscope by Nachet with Accessories, ...
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Wilson-Type Screw-Barrel Microscope, c. 1730...
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Italian Research Microscope by Koristka, c. 1...
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Withering-Type Botanical Microscope, c. 1800...
