Brass and iron microscope, marked Service W. Watson & Sons Ltd London no. 32410, in walnut case, 36 cm high, 18.5x23 cm

Brass microscope, in walnut case, 7.5 cm high, 21.5x9 cm

Brass with iron microscope, marked Carl Zeiss Jena no. 62941, in walnut case, 34 cm high, 17x19 cm

Areometer. Determination of specific mass of liquids. Nickolson weight aerometer in glass design, 22 cm high

Brass microscope, in walnut case, 7.5 cm high, 18x9 cm

U-tube with unequal legs. U-tube for demonstrating different heavy liquids. Show specific gravity of liquids by pouring two different substances i...

Brass with iron microscope, marked R. Winkel Göttingen no. 144518, in walnut cabinet, 36 cm high, 19x22cm

Brass microscope, marked P.J. Kipp and Son in Delft, ca. 1860, in walnut cabinet, 31 cm high, 14x16 cm

Brass microscope, marked Nachet Et Fils 17 Rue St Severin Paris, ca. 1880, in mahogany case, 11.5 cm high, 29x17 cm

Boiling point determination. Making the boiling point visible. The temperature of the water brought to the boil can be read from the thermometer w...

Brass microscope, marked R & J. Beck London no. 17558, in walnut case, 28 cm high, 17x13 cm

Brass microscope, marked R & J. Beck London 19467, ca. 1910, in wooden cabinet, 12.5 cm high, 29x17 cm (damage to cabinet)

Brass microscope, in walnut case, 8 cm high, 26x10 cm

Brass and iron microscope, marked Watson & Sons 313 High Holbarn London, ca. 1868, in walnut case, 26 cm high, 18x15 cm

Brass and iron microscope, marked Arthur Chevalier Palais-Royal 158, in walnut case, 13 cm high, 32x16 cm

Brass microscope on iron base, in walnut case, 8 cm high, 27x13 cm

Brass microscope, marked Nachet opticien Rue Serpente 16 Paris, ca. 1860, in mahogany case, 10 cm high, 27.5x15 cm

Brass with iron microscope, ca. 1870, in mahogany case, 14 cm high, 29x14 cm

Colorimeter, marked Hellige & Co Freiburg, 30 cm high

Brass microscope, in walnut case, 26.5 cm high, 19x15 cm

Brass night watchman's clock, marked Ant. Meyer's Patente 15616, 9 cm diameter

Brass microscope, marked R & J Beck London 18170, ca. 1880, in wooden case, 28 cm high, 16.5x13 cm

2 oriental opium scales in wooden storage boxes, probably 19th century, 28x11 cm and 35x9 cm

Brass microscope, marked R. Clark Newcastle, in walnut case, 32 cm high, 17x12 cm

Brass Dip Cicle, marked L. Casella maker to the Admiralty & Ordnance London No 54, in walnut case, 13.5 cm high, 17.5x14 cm

Resulta 7 calculator in iron case, 11 cm high, 9.5 cm wide, 15 cm deep

PH & Pellin Paris brass and metal colorimeter on wooden base, 41 cm high

F. Ducretet Paris brass Magdeburger balls, 22 cm high

Brass with iron Salter Letter Balance no. 11, ca. 1920, 19 cm high

Coin weight box, ca. 1700, in walnut box with notched decoration, 2.5 cm high, 11.5x6 cm

Brass astrolabe on walnut base, 6 cm high, 21 cm diameter

Brass travel scales marked Tivoli, with coin weights, in oak box and iron travel scales with glass bowls, marked Moore & Co London, in oak box

Coin weight box, ca. 1730, in walnut box with notched decoration, 2.5 cm high, 12x7 cm

Black lacquered brass compass, marked on the underside T.G. Co Ltd London No. 51693 1940 MK III, 3.5 cm high, 8.5x6 cm

Ship's compass with brass, marked Thomas Jones Liverpool, in walnut case, 4 cm high, 17x15 cm

Brass theodolite, marked A.G. Thornton & Co Birmingham, in mahogany case, marked with plate J.A. Reynolds & Co manufactures & importers of drawing...

Set of weights in walnut case, 10 cm high, 22.5x11 cm

Flat table instrument, marked Dietzgen U.S. in leather case, 29 cm long

J.T. Letcher 'blowpipe set' with minerals in glass tubes in walnut box, 11 cm high, 27 cm wide, 13 cm deep

6 sets of weights in beech and walnut boxes

2 Sykes hydrometers, in walnut case, 5 cm high, 20.5x9.5 cm

Scale, in black lacquered wooden case, 11 cm high, 34x15 cm

Metal indicator instrument, marked Scheaffer & Budenberg GMBH Magdeburg Buckau no. 22875, in oak case, 14 cm high, 24x19 cm

Brass English postal scale on wooden base, 10 cm high, 26x13 cm and various brass weights

2 hydrometers including 1 marked G.H. Zeal Ltd London, in walnut case, 6 cm high, 21x8.5 cm and 1x unmarked 5 cm high, 20x9.5 cm (thermometer miss...

5 different metal scales, in nut boxes, largest 4 cm high, 16x8 cm

Burk night watchman clock in leather case, Germany mid 20th century, 14 cm diameter

3 Sykes hydrometers, in walnut case, largest 5 cm high, 20x10 cm (all 3 are missing the thermometers)

Metal steam engine indicator, marked Crosby Steam Gage & Valve Co Boston Mass. U.S.A. etc, in walnut veneer on oak case, 13 cm high, 27x19 cm (hin...

French brass with wood octant, case marked Charlet, in oak case, 9.5 cm high, 33x30.5 cm

Brass sextant, marked G. de Koningh Arnhem Amsterdam No. 1819, in walnut case, 14 cm high, 28x25 cm

Brass with wood octant, marked L. Simon11 Market PLE South Shields, in walnut case, 13 cm high, 33x30 cm

Octant, in walnut case, 13 cm high, 30x26 cm

Sextant, marked W. Gerrard 40 South Castle St. Liverpool, in walnut case, 13 cm high, 26x23 cm

Brass sextant, marked Cary London, ca. 1917, in mahogany case, 12 cm high, 26x26 cm

Grey lacquered brass stadimeter, marked Societe des Lunetiers Constructeurs Paris, in oak case marked with plate Societe Des Lunetiers SL Unis Fra...

Wood with brass architects parallel ruler, 53 cm to 76 cm and plastic architects parallel ruler, marked Mathema Series Capt. fields improved made ...

Planimeter, marked R. Reiss Liebenwerda, in cassette, 4.5 cm high, 25x9 cm

Pine wooden box with various eyepieces for microscopes

Octant, marked Ymuiden Stores Ymuiden, in walnut case, 13 cm high, 27.5x24 cm