McVitie Weston valve collection, Osram valve, type MH4
1929
McVitie Weston valve collection
1934
McVitie Weston valve collection
1930
Lead driver weight from the regulator timepiece
1937
Avo-Minor test meter c.1935
1935
Test handset as used in telephone exchanges (1929)
1929
Duddell oscillograph element
1932
Dental X-ray film safe
1935-1937
Anti-streptococcus serum
1936
Victor "Impermo" dental X-ray film developing bath
1935-1937
Cast of fragment of shaft straightener with two phallic carvings on the limbs
1929-1930
Three ampoules of sterile kangaroo tendon sutures in carton
1937
Samples of polyethene, c. 1935.
1935
Grey lavender viscose skein
1934
Bright pink viscose skein
1934
Bottle green viscose skein
1934
Black viscose skein
1934
Pale orange viscose skein
1934
Orange viscose skein
1934
Struycken monochord (cased) made by H. Pfau of Berlin circa 1930
1930
Melted Farnsworth Image Dissector Television Camera Tube
1935-36
Megger earth resistance tester
1930
Ekco UAW78 Radio Receiver
1937
McVitie Weston valve collection, Sylvania valve, type 41
1934
McVitie Weston valve collection, STC valve, type 4304B
1936
McVitie Weston valve collection, RCA Radiotron valve, type 803
1935
McVitie Weston valve collection, BTH Tungar valve
1930
McVitie Weston valve collection, RCA valve, type 80
1934
McVitie Weston valve collection, Cossor valve, type S.U. 2130
1936
McVitie Weston valve collection, STC valve, type 4304A
1932
McVitie Weston valve collection, valve, type VT23
1932
McVitie Weston valve collection, valve, type VT23
1932
McVitie Weston valve collection, Sylvania valve, type 6C6
1934
McVitie Weston valve collection, Sylvania valve, type 6C6
1934
Murphy A24 Radio Receiver
1934
McVitie Weston valve collection, Sylvania valve, type 6D6
1934
McVitie Weston valve collection, Sylvania valve, type 6D6
1934
McVitie Weston valve collection, MOV valve, type NR47
1932
McVitie Weston valve collection, Osram valve, type PX25
1932
McVitie Weston valve collection, MOV valve, type NR56
1936
McVitie Weston valve collection, Osram valve, type PX25A
1935
McVitie Weston valve collection, MOV valve, type NR56
1936
McVitie Weston valve collection, Osram valve, type PX25
1932
McVitie Weston valve collection, Marconi valve, type D63
1937
McVitie Weston valve collection, Marconi valve, type MU12
1933
McVitie Weston valve collection, RCA Cunningham Radiotron valve, type 6H6
1935
McVitie Weston valve collection, RCA Radiotron valve, type 91
1934
McVitie Weston valve collection, Ediswan valve, type E.S.60
1935
McVitie Weston valve collection, Ediswan valve, type MR/ACI
1933
McVitie Weston valve collection, Ediswan valve
circa 1929