Shelfmark
Pye.4.1
Maker
W.G. Pye & Co. Ltd.
Subjects
optical (low speed recording unit)
Title
Matthews Low Speed Recording Unit.
Description
typed sheet on blue paper, ‘171’ printed top right corner, describes matthews low speed recording unit.
Earliest Date
Latest Date
Pages
1
Address
Granta Works; Cambridge; England
Other Makers
Cat no
Contents List
Hardback
Prices
Yes
Index
Illustrations
General Ref
FM:20277
