Document ReferencePPM/15/77/1-12
Title35 mm slides from a single unlabelled slide storage sheet; n.d. [1990s]
Extent12 slides
Access ConditionsAccess 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 DescriptionSlides include circuit diagrams; diagrams of magnetic fields; and diagrams relating to acoustic performance of coils.
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