Visit our museums
Expand child menu
National Science and Media Museum
Science and Industry Museum
National Railway Museum
Search our collection
Clear all filters
specific gravity balls
Round Mahogany Box, containing 18 spirit bubbles
Spirit bubbles in mahogany case by J & J Gardner,
Wooden box marked Lovi, Edin. patentee containing
Set of specific gravity balls, for proving spirits
Square Mahogany Box (c. 1830-50), containing 18 co
Round Mahogany Box (c. 1790), containing 12 glass bubbles, by JOSEPH SALA & CO.,NO 33 HIGH STREET PAISLEY
Round Mahogany Box (c. 1790), containing 12 glass
Round Wood box (c. 1820-30), containing 18 blue glass "Improved Spirit Bubbles", adjusted to 550 by Sikes' Hydrometer.
Round Wood box (c. 1820-30), containing 18 blue gl
Round Japanned Box (c. 1780-1800) with 7 glass bubbles "for proving spirits"
Round Japanned Box (c. 1780-1800) with 7 glass bub
Round Japanned Box (c. 1850-70), containing 19 improved spirit bubbles adjusted at 750 by Sikes' Hydrometer.
Round Japanned Box (c. 1850-70), containing 19 imp