Industrial equipment - United Kingdom

The image shows an antique brass saccharometer (or hydrometer) kit inside a fitted wooden presentation box.Core ComponentsMain Float: A large, bulbous brass piece with a long, flat, graduated stem featuring numerical measurement scales.Poises (Weights): Several teardrop-shaped brass weights used to adjust the device for different liquid densities.Wooden Case: A custom-carved hinged box lined with dark velvet slots to protect each precise component.Historical Context & FunctionPurpose: This scientific instrument measures the specific gravity (density) of liquids, specifically the sugar concentration in a solution.Primary Use: It was widely used by brewers, winemakers, and distillers to monitor fermentation and determine potential alcohol content.Taxation: Customs and excise officers heavily relied on these kits to accurately calculate alcohol taxes based on proof levels.