- Pilot Balloon Slide Rule Mark 5
Archive
Bib No.:
- 631899
Level:
- Item
Archive Reference:
- MET/4/3/106
Creator:
- Blundell Harling Ltd.
Date:
- c.1968
Extent of unit:
- Length 63cm Width 6.5cm. Box 66x10x3cm
Description:
- Meteorological Office Pilot-Balloon Slide Rule, Mk5 made by Blundell Harling Ltd. of Weymouth, England. Used by the Meteorological Office to calculate the wind velocity from theodolite readings made with pilot-balloon observations. The slide rule is white with the scales in black. The centre moveable piece has two metal knobs to help with sliding the centre piece. It has the Meteorological Office MO logo, with a reference number 29550. It also has MO serial number of 4013/68. Instructions for the use of the slide rule are in paper in the box. The box is of pale wood with brass hinges and fasteners. The box is lined with green baize.
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.C2
Location Box:
- Box 3