* A Leica DOOLU Bubble Level,

various Leica accessories: FARUX panorama head (with box and set of 4 rings for various focal length), FIAMA panorama head, black DOOLU spirit level in maker's box, folding SOOPD hood, FIAVI angle bra

Brass Heliostat by R. Fuess, Berlin, c. 1850 Signed in script on the lead filled base, center with bubble level (dry), three levelling screws, vertical semi-circular scale calibrated 0-30 and 0-90, cl

6 Nautical and Optical Instruments 1) Brass telescope, unmarked, with bubble level, protective cap, length 17 in., on walnut tripod, with clear optics. - 2) Brass telescope, marked: "Periscopic Prism

4 Mirror Galvanometers, c. 1920 1) Thomson mirror galvanometer, Maison Bréguet, Paris, with bubble level in glass cylinder, precision instrument for receiving very weak signals, height 13 in. - A

Working perpetual timepiece in walnut case with brass furniture. A Swiss made desk model with bubble level and adjustable feet for supreme accuracy and balance. Powered by changed in satmospheric pres

Theodolite by Pistor & Martins, c. 1865 Berlin. No. 1245, polished brass, silvered scales, bubble level (dry), telescope with rack-and-pinion focusing, length 10 ½ in., no eyepiece, 2 magnifiers

Solid Brass Alidade Compass 14" The Brass Alidade Compass with telescope and bubble level is a beautiful desktop nautical gem or can rest perfectly on a mantel or bookshelf. This solid brass alida

3 Leveling Instruments 1) Large surveyor's level by Meissner, c. 1915. Marked "A. Meissner - Berlin", no. 2493, black-lacquered and lacquered brass finish, 1 longitudinal bubble-level, 1 cross bubble

(2) Telescopes to include Meade 10" Schmidt-Cassegrain telescope incl. 10" optical tube with fork arms, carrying case, motor drive base, field tripod, bubble level, equatorial wedge, azimuth control,

Theodolite by Ertel & Sohn, c. 1890 Signed: "T. Ertel & Sohn, München", original lacquered brass, horizontal circle with silvered scale, 2 magnifiers, 1 bull's-eye bubble-level (dry), 2 graduated bu

Solid Brass Alidade Compass 14" The Hampton Nautical Brass Alidade Compass with telescope and bubble level is a beautiful desktop nautical gem or can rest perfectly on a mantel or bookshelf. This

Large Surveyor's Level with Prism Reading by Morin, c. 1880 Marked "H. Morin - 11 Rue Dulong - Paris", no. 2493, polished brass, 1 longitudinal bubble-level, telescope with rack-and-pinion focusing,

'Various Surveying Instruments 1) Theodor Rapp GmbH. Aiming circle, brass, 1 circular bubble level, 2 foldable diopters, Ø 11 in., made for the German Armed Forces - 2) Max Krause, Leipzig. Miniature

'Zeiss Ni 2 Leveling Instrument, c. 1970 Carl Zeiss, Oberkochen, Western Germany. No. 71861, with horizontal circle, length of the telescope 27 cm, magnification power of 32, bubble level, mechanical

2 Hartmann & Braun Precision Amperemeters 1) Astatic electro-dynamic measuring unit, serial no. 62! For 0-25 amperes, integrated bubble level, tiny crack in top glass, original lacquered brass, &#216

Bausch & Lomb black ebonized and gilt-brass surveyor's transit, Rochester, New York, no. 11324, 11" telescope with rack focusing, bubble level, pierced U-shaped frame with vertical half-circle, divide

Keuffel & Esser Table Model Alidade. Brass table model with bubble level and compass on a long platform, 10.75 in. scope and silvered arc. Signed "Keuffel & Esser, New York, 62546". In good condition,

Nautical brass alidade compass with functional telescope, and bubble level. Used by surveyors to align and measure vertical and horizontal angles. Solid brass, with a magnetic compass mounted beneath

Nautical brass alidade compass with functional telescope, and bubble level. Used by surveyors to align and measure vertical and horizontal angles. Solid brass, with a magnetic compass mounted beneath

Brass Alidade with a magnetic compass mounted beneath for guaranteed accurate readings as well as a bubble level on the telescope for precise sightings. The alidade mounts on an antique brass support

English rosewood barometer, late 19th c., swan's neck pediment, hygrometer, thermometer, convex mirror, barometer, bubble level, approx 38.25"h, 10"w Start Price: $80.00

Jaeger-Le Coultre Atmos 15 jewels perpetual motion gilt brass mantel clock. The clock appears with a glass case, open escapement movement, and bubble level. Driven by a mechanical torsion pendulum, ma

Solid Brass Alidade Compass 7" The Hampton Nautical Brass Alidade Compass with Telescope and Bubble Level is a beautiful desktop nautical gem or can rest perfectly on a mantel or bookshelf. This

W.L. & E. Gurley surveyor's transit, scope with bubble level and silvered divided scale. Condition - bubbles good, some gilt loss, original turn pins with strings intact.