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Extremely rare pristine Nikon HP/H3 phase-contrast folded-optics microscope set, 1967

From the middle of the 20th century and on, professional field microscopes are dominated by the innovative concept of folded-optics. The folded-optics category refers to an exceptional design of the handheld field microscope that John Norrie McArthur invented in the 1930s. The basic design was invented by Dr. McArthur when he was appointed to carry out malaria research in Borneo by the Colonial Office in 1937. The small dimensions are due to the “folding” of the light path length Read More...

Tioyda MKH (3rd series) Japanese Army Field Hospital Microscope, 1945

The microscope is outfitted with 5x and 10x oculars, 2 position turret, 10x/0.30, 40x/0.65, and 90x/1.25 NA oil achromatic RMS objectives, and a small vial with immersion oil. In the literature concerning this model, there was much confusion about its dating, operational performance, and models. All this has been sorted out by Phillips (2014). According to his thorough work, this microscope (S.N. 20009) may be dated to the end of World War II, sometime during 1945 or in the early post-war Read More...

WWII TOKO 15 x 80 Japanese naval binoculars

A pair of WWII TOKO 15 x 80 binoculars on a very rare period spotter’s 360⁰ mount. Binoculars marked: 15 x 4⁰  TOKO No 1 Serial number: 1 60 degree inclined oculars, with Amici type roof prism. 15 times magnification, through 80 mm objective lenses.   TOKO (Tokyo Kogaku) the Tokyo Optical Company founded in 1932. For more photographs please see our website: https://www.hatchwellantiques.co.uk/optics/binoculars/toko-15-x-80-bincoulars-detail   Read More...

NIKKO 25 x 80 monocular, circa 1942.

A WWII Nikko 25 x 80 military monocular, circa 1942. 25 times magnification, 2° field of view. With extending sunshade and lens cap. Number: 1834. Weight: 2.7 Kgs. Read More...

TOP CONDITION JAPANESE KOMAI OTOJIRO SPECTACLES CASE, GOLD IN LAY, THE MOST RENOWNED MAKER IN JAPAN

THIS CASE IS IN EXCEPTIONALLY FINE CONDITION, WITH SPRING CLOSURE. OTOJIRO ( 1842 – 1917 )  THIS CASE IS C 1890. KYOTO SEAL , 24 CT. GOLD INLAY.  CONTEMPOARY PINCE NEZ INCLUDED. BEST QUALITY Read More...

CHEMICAL ENGINEERING SLIDE RULE

CHEMICAL ENGINEERING SLIDE RULE, Japanese, c. 1960, signed “Hemmi, Japan, No. 257.” The 12-1/2″ (32 cm) long rule is made of laminate over bamboo, metal bound, and fitted with double-sided sliding glass cursor. The two sides of rule and slider are divided with a total of 23 scales, including gauge marks for determination of atomic and molecular weights, temperature, conversion scales, pressure unit conversions, molar / weight / volume fractions, adiabatic compression and expansion, etc. In addition there are Read More...

JAPANESE LACQUERED TELESCOPE

JAPANESE LACQUERED TELESCOPE, c. mid-19th century, the rolled card and wood tubes heavily lacquered in black and rust, with gilt stamped decoration. It opens from 14″ to 38″ (36 to 97 cm) on three drawtubes, the tubes slightly tapered for rigidity when fully open. The eye surround is turned horn, and the optics consist of a two-element eyepiece system plus a singlet objective mounted between card disks and set behind a brass aperture which stops down the 2″ wide Read More...

Stunning Meji-era Lacquer Spectacles Case: traditional Japanese landscape on the lid.

Stunning Meji-era spectacles case in red  lacquer with a traditional Japanese landscape on the lid.  While it is probably not unique, we have not been able to find a comparable example in any online-museum collection nor in IL CONTENITORE PREZIOS0:Storia degli astucci per occhiali  [THE PRECIOUS CONTAINER history of eyeglass cases], Venice, 1999. Condition is very good noting a couple of minor restorations on lid. Length of case: 5.5″  or 13 cm. Read More...

JAPANESE “JOKOBAN” INCENSE CLOCK

JAPANESE “JOKOBAN” INCENSE CLOCK, Edo period, c. 18th century. This handsome timekeeper is constructed of a beautifully grained and stained light weight wood (probably paulownia or cryptomeria) and measures 11-3/8″ (29 cm) square by 15-5/8″ (40 cm) tall. The lower section has attractive lozenge-shaped cutouts around the base, and a large matching drawer for tools and accessories. The upper section has a square wooden burning “pan” surmounted by an open wooden latticework cover formed as an 8 x 8 Read More...

ANTIQUE JAPANESE SPECTACLES IN ORIGINAL WOODEN CASE ETUI C 1720 FOR SALE

ALL IN GOOD CONDITION, ORIGINAL LENSES , BRASS MOUNTS, ORIGINAL WOODEN CASE C1720 Read More...

Japanese Terrestrial Table Globe.

Terrestrial table globe with a diameter of 13 cm. held in a wooden stand with a brass half meridian. The total height measuring 26 cm. Consisting of 12 lithographed and coloured paper gores, the countries are coloured in outline and the seas in a pale green shade. Published between 1912 and 1949 in Osaka, Japan. (The globe shows some wear and several mended tears but has been cleaned and varnished to make it a solid copy again.) Osaka, s.n. Read More...

Dr. Komoto’s Ophthalmoscope

A good example of Dr. Komoto ophthalmoscope, cased and in excellent condition noting the absence of one of two reversing lenses–see third image. It was invented by Dr. Jujiro KOMOTO. The Japanese Ophthalmology Society site notes : After studying for several years in Germany, Jujiro KOMOTO (1859-1938) returned to the Tokyo Imperial University and became the very first Professor of Ophthalmology in Japan. Komoto also produced the three-volume Textbook of Ophthalmology, the first comprehensive textbook on the subject to be written Read More...