World’s No.1 in “Technical Antiques”

Brass Vernier Transit "W. & L. E. Gurley" Marked on compass dial: "W. & L. E. Gurley, Troy, New York", compass Ø 5 ...

Brass Telescope "Wray, London", c. 1900 Parallactic mounting, polished brass, length 55 in., on heavy-weight tripod, height 74 in.<Br&g...

Refracting Telescope "Merz/Fraunhofer", c. 1880 Brass refractor telescope, signed on the tube: "G & S Merz", former Fraunhof...

Early Mahogany Tripod for Telescopes and Surveying Instruments Length with closed legs: 5 1/6 ft., brass head, metal points, brass ring for transport.

2 Optical Benches Physical demonstration models, unmarked, with 5 lenses and 1 pinhole, lengths 9 1/2 and 13 3/4 in.<Br> 2 Optische Bänke...

Military Wide Base Rangefinder "Wild Heerbrugg" Base 80 cm, serial no. 439, with special tin container.<Br> Militär-Großba...

Trench Periscope by Moritz Hensoldt, 1918 Trademark "Wacht", serial number 14164, painted black, total length 4 4/5 ft. Bakelite eyepiece ...

3 Binoculars Black lacquered brass binoculars with leather-covered tubes: theatre glass, field glass, prism binocular with leather bag.<Br> 3 ...

Miniature Telescopes Used as pendants, magnifying 2x or 4x. 1) Brass, 2 extensions, length 1 1/2 in. - 2) Nickel plated brass and silver, 16 extension

Theatre and Marine Binocular Combination between theatre and marine binocular, interchangeable by slide, unmarked, black colored brass, leather-covere

Night Field Glasses "Busch Camponett (4 x 48)" Busch, Rathenow, Galileo field glasses with giant light intensity of 144! Central focusing....

Regiment's Binoculars Case Leather, brass coat of arms. Dimensions: 5 1/2 x 5 1/2 in. Inner dimensions: height 3-3 1/2 in., width 4 1/3 in.<B...

2 Cases for Military Prism Binoculars 1) Case with compass by Zeiss, 1920ies. - And: 2) Case for infantryman's binoculars, c. 1900.<Br> 2 ...

Prism Binoculars Case with Rangefinder Case marked "Carl Zeiss, Jena". Dealer's sign "J. Gambs, Lyon". In a separate leather...

3 Brass Telescopes 1) Historically important telescope, used in WWI, with engraving "Somme Argonne - 14.5.16", 3 extensions, length 16 1/2...

3 Brass Telescopes 1) Engraved on tube "Dollond, London", total length 6 1/4 in. - 2) Unmarked, 3 extensions, mahogany grip, total length ...

English Telescope "Harris & Son" Marked on tube: "T. Harris & Son, London, improved Day or Night", 2 extensions, brass w...

Large Telescope and Tripod Head Unmarked, lacquered brass, 5 extensions, total length 54 in.! With cap. - And: Tripod head for this telescope, made by

Focometer "Busch" Busch, Rathenow. For measuring dioptric power of spectacle lenses. Height 12 in.<Br> Scheitelbrechwert-Meßger...

Optical Rangefinder "Georg F. Brander, Augsburg", Germany, c. 1760 Exceptionally fine brass instrument by legendary German scholar and mec...