Heurtley magnifier, 1919
1919
D-700 photographic facsimile receiver
1954-1964
Clarke and Horsley stereotactic apparatus (cat brain tester) by Muirhead and Co. Ltd.
1947
Mufax Courier transmitter
1975
Heurtley magnifier, 1919.
1919
Weston standard cell type D-698-A
1964
Three-inch magslip transmitter type X-CO MKII
Mufax chart recorder D-665-C, and Mufax picture receiver D-611-Uf, 1969.
1969
Decade condenser type B-21-F
1956
Muirhead-Wigan Decade Oscillator
1964
Double current telegraph key
Slow-motion dial patent 419002 by Muirhead and Co. Ltd.
Weston standard cell type D-402-A
1950
Decade oscillator
1958
Variable air condenser type A-411-B
1963
Phonic motor type N-6 100v high power
1950
Muirhead-Jarvis picture transmitter type D-355-A, c. 1946
1946
MUFAX 18 inch Recorder
Muirhead Siphon recorder
Decade condenser type B-5-F no. 161852
1948
Synchro control transmitter type 23-CX-4b
Wheatstone bridge
1915
Condenser type 134-JA
Decade resistance box Type A-6-B 'Units'
Magneto, possibly by Muirhead and Co. Ltd.
Mica variable condenser type B-22-C
1957
Clark standard cell type D400-A
Synchro control transmitter electrical dividing head
Slow motion drive by Muirhead and Co. Ltd.
Inductive potentiometer for anti-aircraft gunnery range radar
1956
Synchro transmitter type 23-CX-46
Synchro differential transmitter 26V type 11-CDX-46
Time switch type D-345-A
Electrically maintained tuning fork type D-603-B 800 cps
1968
Servo induction motor
Gear drive type D-83 by Muirhead and Co. Ltd.
Voltage dividing resistance type A-201-D
Heurtley relay no. 100621
1940
Four-bank 72 delta network
1952
Condenser type 39-AT
Condenser type 134-NA
Decade oscillator
1959
Hand perforator
1894-1969
Synchro differential transmitter type 18-CDX-46
Variable condenser 14 picofarad
1936
Gear box by Muirhead and Co. Ltd.
Magslip recorder type D-523-A
1950
Single-coil siphon recorder
Variable air condenser type A-430-BS 1100 picofarad no. 144006
