An attendant fills the reservoir of a recording hydrometer with distilled water in a subterranean chamber at Manod Quarry, north Wales, where...一個人
Engraving depicting the measuring of the specific gravity of alcohol with a hydrometer. Dated 19th century.
Hydrometer, to test for density, and thermometer, to test for temperature, used together to test fuel purity, are displayed for a photograph at a...
Hydrometer, to test for density, and thermometer, to test for temperature, used together to test fuel purity, are displayed for a photograph at a...
Surveying between the Arctic ice using a hydrometer, illustration from Die amerikanische Nordpol-Expedition, Leipzig, 1879.
Engraving depicting a hydrometer, an instrument that measures the specific gravity of liquids the ratio of the density of the liquid to the density...十八世紀
Advertisement for Sikes�s Hydrometer, manufactured by Joshua Long, consisting of an image of the hydrometer with accompanying text. Hydrometers are...溫度計
Set of 10 Sikes' hydrometers made by Dring and Fage. Hydrometers are used to measure the relative density of a liquid and are particularly used for...
Gilt customs and excise standard no 1 hydrometer by J J Hicks. Range 0 - 10. Hydrometers are used to measure the relative density of a liquid and are...
Gilt customs and excise standard no 1 hydrometer by J J Hicks in mahogany box. Range 0 - 10. Hydrometers are used to measure the relative density of...
Gilt customs and excise standard no 1 hydrometer by J J Hicks in mahogany box. Range 0 - 10. Hydrometers are used to measure the relative density of...
Workman fills the reservoir of a recording hydrometer with distilled water in a subterranean chamber at Manod Quarry, north Wales, where paintings...
To R Garn Wallace watches as his son John Wallace reads a hydrometer, which measures the amount of sand, silt and clay in soil, at Wallace...
Ingénieur remplissant le réservoir de l'hydromètre avec de l'eau distillée, dans une des pièces de l'entrepôt souterrain où sont réunies les oeuvres...
Helenus, ridden by jockey Steven King passes Hydrometer, ridden by Kerrin McEvoy, by a nose,on the line to win the Victoria Derby, Race Six, during...
The whisky flows into the spirit safe where it is tested for gravity by a hydrometer - Like every other lock in the distillery, the keys to these...蒸餾
Mark Cooper checks the density of his maple syrup with a hydrometer while boiling at his sugar house in Windham on Friday, March 9, 2012. When the...
Clark Cole uses a hydrometer to measure the density of the syrup in the evaporator in his family's sugarhouse at Cole Farm in Dayton. --
Hydrometer is seen immersed in beer at Wynwood Brewing Company on April 25, 2014 in Miami, Florida. Earlier this week Floridas Senate Rules Committee...
John Patriquin/ Staff Photographer: Sunday, March 2009. 18 year old Luke Merrifield uses a hydrometer to test sugar content of sap before his uncle...
Gregory Rec/Staff Photographer: -- Debra Hartford looks at a hydrometer to check the density of syrup that is about to be bottled at the Thurston and...
Young apprentice at Globe & Simpson auto electricians workshop, Lincoln, Lincolnshire, 1961. An apprentice using a hydrometer to check the sulphuric...英格蘭
Tim Fisher, Distiller for New England Distilling, reads a hydrometer filled with the first distilling of low wines liquid showing the proof of the...
Hydrometer on the River Po at Pontelagoscuro shows a water level of -6.75 metres below hydrometric zero, amid the severe heatwave and water crisis...
Hydrometer on the River Po at Pontelagoscuro shows a water level of -6.75 metres below hydrometric zero, amid the severe heatwave and water crisis...
old engraved illustration of brewery - brewhouse sections, cooling devices, and mash tools, wort cooler - 比重計 個照片及圖片檔
old engraved illustration of brewery mashing and lautering machinery (malt crusher, mash tuns, mash kettle and lautering apparatus) - 比重計 個照片及圖片檔