Luftpumpe

International names:

Air pump. Vacuum

Danish Instrument Inventory text:

Air pump. Vacuum. "Smeatons improved air pump". 3 brass barrels 12 inches long. 2 barrels simultaneously operated by one handle. Rack and pinion. Grease lubrication. 2 vacuum gauges: 1 long cistern type, the other closed u-tube. Mahogany mounting table 690x430x550 with column for supporting the glass plate and bell jar. Overall H1020 to plate. Text for valve operation in Danish.Signed on bone plaque on the yoke by the single barrel: NAIRNE / Optician to His Majesty / No 20 Cornhill / LONDONSigned on bone plaque on the yoke by the double barrel: NAIRNE / Mathematical and Philosophical / Instrument Maker / LONDONc1790 (g)

• Category: Air
• Hauch number: G003
• Inventory number: 2220
• Danish Instrument Inventory number: 1191

• Hauch references:
• Begynd.grund: §325
• Cabinet 1: 0 40

• Literature:

• Erxleben(1784) p. XXXVI Tab. Ivb
  

  Warner(1998)