• Current opened records

  • Hair Hygrograph (incomplete)

Archive
Bib No.:
  • 631841
Level:
  • Item
Archive Reference:
  • MET/4/3/48
Creator:
  • Wilson Warden
Date:
  • No Date
Extent of unit:
  • 29cmx23cmx18cm
Description:
  • Hair Hygrograph (with drum from barograph). The hair in the cage absorbs moisture and changes length with changes in humidity, causing the pen to move up or down against the chart. The clockwork drum would rotate once per week but is incomplete in this instrument. Metal body with cage to protect hair at one end. No serial number but does have label with number 1537.
Media Type:
  • Artefact
Language:
  • N/A
Conditions Governing Access:
  • Open
Conditions Governing Reproduction:
Owning Organisation:
  • Met Office
Location:
  • Archive Exeter
Collection:
  • Archive Collection
Status:
  • Reference Only
Location (Room/Bay):
  • W07.C3

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