C M AMIES

Exacta Circuits Ltd., Abbots Factory, Galashiels, Scotland.

D R H ARCHIBALD

International Computers Ltd., I.C.L. House, Putney, London, S.W.1.

H V BECK

6 Maneland Way, Harpenden, Herts.

A BOROVSKOI

"Svetlana" Works, Leningrad, L-156, Svetlanovski prospeki 2, U.S.S.R.

A G BRUCE

Exacta Circuits Ltd., Abbots Factory, Galashiels, Scotland.

H P CLIFFORD

Ministry of Technology, Room 669, St. Giles Court, St. Giles High Street, London, W.C.2.

G COSTAMAGNA

SGS(UK)Ltd., Grangemouth Road, Falkirk, Stirlingshire, Scotland,

L A CURRY

SGS(UK)Ltd., Grangemouth Road, Falkirk, Stirlingshire, Scotland.

R C DUFFIELD

GEC-AEI Electronics Ltd., Broad Oak Works, The Airport, Portsmouth, Hants.

J FELICKI (DR)

Zwirki i Wigurg 59-14, Warsaw, Poland.

J G GEARY

ADA Halifax Ltd., Chesterfield House, Barter Street, London, W.C.1.

P KOVES

EMG, Budapest, XV1, Cziraky ut 26-32, Hungary.

L MALNAR

Thomson-CSF, B.P. 2000, Versailles 78, France.

D S McKAY

Honeywell Ltd., Industrial Group Engineering, Newhouse, Motherwell, Scotland

R PAGE

RTZ Consultants, 6 St. James Square, London, S.W.1.

A A SHARIPOV

Ministry Elektronik Industry, Moscow, Kitajski 7, U.S.S.R.

E H SIMS

National Cash Register Co. (MFG) Ltd., Camperdown Factory, Kingsway West, Dundee DD1 9QY, Scotland.

N A SMITH

National Research Council of Canada, Africa House, 64-78 Kingsway, London, W.C.2.

C M SORRILL

University of Stirling, Dept. of Industrial Science, Stirlingshire, Scotland.

K H STARK

Morganite Resistors Ltd., Bede Industrial Estate, Jarrow on Tyne, Co. Durham.

M STUART

E.N.M. Ltd., Queensway, Enfield, Middx.

G STUART-MONTEITH

Ministry of Technology, DLRD(AC), Room 812, The Adelphi, John Adam Street, London, W.C.2.

R TEMPLE

Honeywell Ltd., Newhouse, Motherwell, Scotland.

N W VINCENT

National Cash Register Co. (MFG) Ltd., Electronic Engineering Division, Gourdie Factory, Kingsway West, Dundee, Scotland.

L WEATHERILL

The Plessey Co. Ltd., Kembrey Street, Swindon, Wilts.