G. B. Salm instrument dealer’s imprint inside the case lid, Keizersgracht 642–644, Amsterdam.

G.B. Salm Amsterdam Alcohol Hydrometer Set with Thermometer and Correction Table

€800,00 EUR
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G. B. Salm instrument dealer’s imprint inside the case lid, Keizersgracht 642–644, Amsterdam.
  • G. B. Salm instrument dealer’s imprint inside the case lid, Keizersgracht 642–644, Amsterdam.
  • Amsterdam import duties and excise inspection label listing two hydrometers and a thermometer.
  • Correction table listing hydrometers No. 2 with the year 1929 and a thermometer with the year 1914.
  • Amsterdam Ministry of Finance laboratory stamp dated February 4, 1970, on the accompanying document.
  • Close-up of two glass alcohol hydrometer bulbs and the thermometer in the fitted, fabric-lined wooden case.
  • Close-up of the thermometer bulb and scale beside the handwritten labels on the glass alcohol hydrometers.
  • Glass instrument tips and handwritten G. B. Salm Amsterdam markings on the alcohol hydrometers.
  • Thermometer scale beside the handwritten Rijks Honderddeelige Alcoholweger inscriptions on the hydrometers.
  • G. B. Salm Amsterdam alcohol hydrometer set with two hydrometers, a thermometer and correction table in an open wooden case.
  • G. B. Salm instrument dealer’s imprint inside the case lid, Keizersgracht 642–644, Amsterdam.
  • Amsterdam import duties and excise inspection label listing two hydrometers and a thermometer.
  • Correction table listing hydrometers No. 2 with the year 1929 and a thermometer with the year 1914.
  • Amsterdam Ministry of Finance laboratory stamp dated February 4, 1970, on the accompanying document.
  • Close-up of two glass alcohol hydrometer bulbs and the thermometer in the fitted, fabric-lined wooden case.
  • Close-up of the thermometer bulb and scale beside the handwritten labels on the glass alcohol hydrometers.
  • Glass instrument tips and handwritten G. B. Salm Amsterdam markings on the alcohol hydrometers.
  • Thermometer scale beside the handwritten Rijks Honderddeelige Alcoholweger inscriptions on the hydrometers.
  • G. B. Salm Amsterdam alcohol hydrometer set with two hydrometers, a thermometer and correction table in an open wooden case.
G.B. Salm Amsterdam Alcohol Hydrometer Set with Thermometer and Correction Table

G.B. Salm Amsterdam Alcohol Hydrometer Set with Thermometer and Correction Table

€800,00 EUR
A distinctive historic alcohol hydrometer set from Instrumenthandel v/h G. B. Salm in Amsterdam, comprising two glass hydrometers, a thermometer and accompanying documents in a fabric-lined wooden case. A collectible linking scientific instruments, spirits and Dutch excise history. The inside of the lid bears the imprint “Instrumenthandel v/h G. B. Salm AMSTERDAM Keizersgracht 642–644.” The glass hydrometers feature elegant handwritten inscriptions, including “Rijks Honderddeelige Alcoholweger.” The instruments rest in fitted recesses inside the case. HISTORICAL DETAILS AND DOCUMENTATION The accompanying correction table lists both hydrometers as No. 2, with the year 1929. The thermometer entry shows the year 1914. These are the dates recorded on the document; they do not independently establish when the instruments were manufactured. An accompanying label reads “INSPECTIE AMSTERDAM INV. & ACC.” A further stamp identifies the Laboratory of the Ministry of Finance in Amsterdam and is dated February 4, 1970. According to the provenance information supplied by the seller, this set is associated with measuring the alcohol content of spirits for excise assessment. The historical documents and inscriptions add a distinctive documentary dimension to the set. CONDITION AND MEASUREMENT ACCURACY According to the seller, the set spent approximately 50 years in warehouse storage. Its present measurement accuracy is uncertain. It is offered as a historical collectible, not as a guaranteed accurate or currently calibrated measuring instrument. The case, lining and documents show signs of age and use. Please examine the photographs carefully for the visible condition and included components. DETAILS Supplier’s imprint: Instrumenthandel v/h G. B. Salm, Amsterdam Contents: two alcohol hydrometers, one thermometer, a fabric-lined wooden case and the documents shown Dates recorded on the correction table: 1929 and 1914 Laboratory stamp: February 4, 1970 Case dimensions: 42 × 9 × 5 cm Weight: 633 g Only one example of this item is available. Tracked shipping is charged separately.

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