Archives

~FLAWLESS LEITZ STUDENT MONOCULAR~

Very fine 11 inch (14 inches fully racked) monocular in bright brass c.1889. Serial number 14129 stamped on the foot and case. Four objectives, five oculars in mahogany case with chip to leading edge (13 x 7 x 7 inches). Double nosepiece, fine adjustment to rear of pillar (in 1/100 micrometer divisions). Geared and swinging substage with iris and Abbe-type condenser. Stage clips intact. Rarely used. Perfect golden lacquer. A finer example rarely seen. No key. Read More...

~FINE LEITZ BINOCULAR MICROSCOPE c. 1930~

Although not cased, this fine instrument is the pinnacle in optics for the era. Standing 12.5 inches tall (15  inches racked up), it is a pleasing combination of black enamel and golden, bright brass with square mechanical stage and Abbe-type substage condenser. Four signed objectives marked 7a, 6 , 3 and 1. Quadruple objective turret. A couple of minor chips to the black horseshoe base. Full horizontal adjustment to accomodate eye distance. Two matching oculars. Flawless double sided mirror. Mechanically Read More...

Jetter & Scheerer C1930 Orthopedic Set

Jetter & Scheerer, C1930 Orthopedic Set. Set appears to be largely complete. Dimensions: 18.5 x 9.5 x 3.5 inches. It was produced by Jetter & Scheerer and retailed by Bott & Walla in Munich. No apparent condition issues. Read More...

Brass and steel pair of dividers by the Pelican instrumentmaker, Germany, circa 1720-1730

A good pair of dividers made in brass and steel bearing the intriguing instrumentmaker’s mark, a Pelican. We know that this mark was used by a German maker but we don’t know who. I owned a folding rule with the date 1721, so we can date this pair of dividers circa 1710-1730. The instrument is in fine condition, the point not reduced. 11cm lenght. Read More...

Two full brass dividers by Adolf Deinert, Nuremberg, c.1740

A set of two rare full brass German pair of dividers bearing the hallmark of the famous weightmaker from Nuremberg, the wheel, Adolf Deinert. These two full brass pair of dividers measure 10,7cm and 7,5cm lenght. The points are not reduced and the instruments are in genuine condition. A rare German signature on pairs of dividers. Read More...

4 x HAND PAINTED GERMAN SPECTACLES CASES, C1830, EROTIC,SAILING , ROMANCE, PORTRAIT, ALL GOOD COND.

EROTIC CASE  , BUYING A WOMAN , WITH GUSSET ROMANCE , A MAN WITH ARM AROUND WOMAN IN GARDEN , REVERSE SIDE WOMAN PORTRAIT, WITH GUSSET AND SLEEVE. SAILING, 2 MEN AND A WOMAN IN BOAT, REVERSE SIDE WOMAN  PORTRAIT, WITH GUSSET AND SLEEVE FINE PORTRAIT OF A WOMAN, WITH SLEEVE AND GUSSET. ALL THE CASES ARE IN GOOD CONDITION Read More...

GERMAN 19TH CENTURY OCTANT BY RAHTJEN. BREMEN

SHIPPING BY FEDEX, DPD, DHL, ETC. FULLY TRACKED.  Contact Email:  [email protected] IVORY EXEMPTION NUMBER  ZAW9LR3K Read More...

Pump models 2 different

Pump models 2 different These 2 pump models are in completely original condition ca 1920 from the former possession of a technical high school beautifully restored and in good working order ,€175 each or €325 togetherThe wooden base plate of the fan pump is 48 X 24cm, the cast iron hand pump in total 42cm high Will be carefully packed and sent by registered mail. Read More...

~SELDOM USED ERNST LEITZ, WETZLAR MONOCULAR- COMPLETE ACCESSORIES~

Bearing serial number 185790 on both the 12 inch tall microscope and case, this monocular extends to 14 inches with draw tube  focussing in addition to fine and coarse adjustment. Square stage with clips (never used), perfect double sided mirror, Abbe-type condensing substage with additional insert containing one of 3 light stops. 4 eyepieces marked 1, 3, 4 and 12X. Four objectives all signed and marked 3 , 6 , 7a and 1/12 oil immersion (black card case). 1400X Read More...

Optical disk according to Hartl for the explanation of the laws of optics

Optical disk according to Hartl for the explanation of the laws of optics, from the former possession of a technical university total 50 cm high diameter plate 30 cm .will be carefully packaged shipped ,nice restored from the maker Max Kohl Read More...

Leyden Jars to Lodge for the demonstration of electrical resonance

Leyden Jars to Lodge for the demonstration of electrical resonance   A total of 60 cm high the wooden base plate 32 X12 cm beautifully restored in completely original condition, see also the photo of the early catalogue of Max Kohl in which it was depicted will be packaged very carefully and sent by registered mail One jar is fitted with a closing wire containing a spark gap limited by two brass balls, the other contains a fully closed circuit, the length of Read More...

SOLD – Antique Ernst Leitz Wetzlar Brass Monocular Microscope – circa 1897, Cased

Offered for sale is a really nice example of an antique Ernst Leitz of Wetzlar, Germany monocular microscope standing on a horseshoe foot in black enamel and lacquered brass finish.  According to my Leitz instrument dating table, manufacture was in 1897 with the instrument carrying serial number 43790.  The condition of this example is generally very good, with just the right age and use signs of wear to the paint finish and lacquer here and there where you’d expect Read More...