Mica condenser type B-516-E
1954
Mica condenser type M-2
Mica condenser type M-2
Mica condenser type M-47014
Crystal of mica in "book" form
Two sheets of mica, approximately 10" x 6"
Mica condenser type M-11
Mica condenser type M-47016
Mica condenser type M-71-S
Mica condenser type B-516-E
1954
Mica condenser type B-516-E
1953
Mica condenser type B-516-E
1953
Mica capacitor type B-517-B no. 469448 by Muirhead and Co. Ltd.
1969
Laminae of white mica
1851-1930