Twaddle Hydrometers

Twaddle Hydrometers

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Twaddle Hydrometers
Science Museum Group
© The Board of Trustees of the Science Musuem

Wooden box containing six 'Twaddles' mercury hydrometers, used at Strines Printworks, made in 1960s.

Details

Category:
Weighing & Measuring
Object Number:
Y2007.61
Materials:
brass (copper, zinc alloy), glass, mercury, textile and wood (unidentified)
Measurements:
hydrometer (individual): 27 mm x 225 mm x 27 mm,
case: 52 mm x 260 mm x 173 mm,
type:
hydrometers
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
  • densimeter
  • furnishing and equipment
  • measuring device - instrument
  • densimeter
  • hydrometer
credit:
Gift of Hilda Pye