G. Westphal, Celle - Technical instrument - Germany - 1850-1900
05
days
22
hours
41
minutes
07
seconds
Starting bid
€ 1
Reserve price not met
Expert
Selected by Anna Hue-Roques
Holds bachelor's degrees in Law and Art History with an Ecole du Louvre auctioneer diploma.
Estimate € 200 - € 300
No bids placed
Catawiki Buyer Protection
Your payment’s safe with us until you receive your object.View details
Trustpilot 4.4 | 133802 reviews
Rated Excellent on Trustpilot.
Mohr-Westphalsche density balance for liquids by G. Westphal, Celle, Germany, dating ca. 1880–1910, crafted in brass, glass and wood, with dimensions 27 × 22.5 × 8 cm and a weight of 1.6 kg, offered as a complete functional set with minor age-related wear.
AI-assisted summary
Description from the seller
Mohr-Westphal Balance (Density balance for liquids) — G. Westphal, Celle — Germany, ca. 1880–1910
Description:
Mohr-Westphal Balance for determining the density of liquids
Manufacturer: G. Westphal, Celle (Germany)
Serial number: 5285
Dating: ca. 1880–1910 (late Kaiserreich / Wilhelmine period)
A high-quality scientific precision instrument for determining the specific density of liquids according to the Mohr-Westphal principle (unequal-arm balance, based on hydrostatic buoyancy / Archimedes’ principle). Used in pharmacies, breweries, university laboratories, and chemical workshops.
Complete set:
– Original wooden case with stamped manufacturer and serial number brand stamp “G. WESTPHAL CELLE / 5285"
– Brass column with height-adjustable mechanism on a weighted base
– Rotating brass beam with engraved scale (1–10), stamped “G. WESTPHAL CELLE"
– Glass sinking body with built-in Centigrade thermometer (0–25 °C, hand-scripted “Centigrade”)
– Glass cylinder stand vessel
– Complete set of rider weights (bridges)
– Original storage compartments and supports in the case
Material: Brass, Glass, Wood
Condition: Functionally preserved, all main components present and stamped. Brass with age-appropriate patina. Glass cylinder, sinking body and thermometer intact. The internal fabric mounts and contact pads inside the wooden case show age-related wear (loose, partially detached). Wooden case with signs of use, stamp clearly legible.
Mohr-Westphal Balance (Density balance for liquids) — G. Westphal, Celle — Germany, ca. 1880–1910
Description:
Mohr-Westphal Balance for determining the density of liquids
Manufacturer: G. Westphal, Celle (Germany)
Serial number: 5285
Dating: ca. 1880–1910 (late Kaiserreich / Wilhelmine period)
A high-quality scientific precision instrument for determining the specific density of liquids according to the Mohr-Westphal principle (unequal-arm balance, based on hydrostatic buoyancy / Archimedes’ principle). Used in pharmacies, breweries, university laboratories, and chemical workshops.
Complete set:
– Original wooden case with stamped manufacturer and serial number brand stamp “G. WESTPHAL CELLE / 5285"
– Brass column with height-adjustable mechanism on a weighted base
– Rotating brass beam with engraved scale (1–10), stamped “G. WESTPHAL CELLE"
– Glass sinking body with built-in Centigrade thermometer (0–25 °C, hand-scripted “Centigrade”)
– Glass cylinder stand vessel
– Complete set of rider weights (bridges)
– Original storage compartments and supports in the case
Material: Brass, Glass, Wood
Condition: Functionally preserved, all main components present and stamped. Brass with age-appropriate patina. Glass cylinder, sinking body and thermometer intact. The internal fabric mounts and contact pads inside the wooden case show age-related wear (loose, partially detached). Wooden case with signs of use, stamp clearly legible.
Details
Era
1400-1900
Manufacturer/brand
G. Westphal, Celle
Weight
1.6 kg
Number of objects
1
Country of Origin
Germany
Material
Brass, Glass, Wood
Condition
Good condition - used with small signs of aging & blemishes
Height
22.5 cm
Width
27 cm
Depth
8 cm
Estimated period
1850-1900
Sold by
