Record

Document Reference	PPM/15/77/1-12
Title	35 mm slides from a single unlabelled slide storage sheet; n.d. [1990s]
Date	1990s
Extent	12 slides
Level	SubSeries
Access Conditions	Access is restricted under current Data Protection legislation. Also, access to the original slides is restricted for preservation reasons; readers are expected to use surrogate digital images. Please see our Access Policy or contact us for further advice.
Content Description	Slides include circuit diagrams; diagrams of magnetic fields; and diagrams relating to acoustic performance of coils.