DIN test-tape 38 (for 38,1 cm/s tape speed)
€24.39
DIN test-tape 19 (for 19,05 cm/s tape speed)
DIN test-tape 9,5 (for 9,53 cm/s tape speed)
DIN test-tape 4,75 (for 4,75 cm/s tape speed)
€16.45
IEEE Standards on Video Techniques: Measurement of Resolution of Camera Systems, 1961
€51.00
Gramophone records and reproducing equipment.
€269.00
Interference characteristics and performance of radio receiving equipment for aural and visual reproduction. (excluding receivers for motor vehicles and marine equipment).
Monophonic disk records M 33 (33/ rev/min)
Monophonic disk record M 45 (45 rev/min)
Records N 78 - (Normal grooves records for 78 U /min)
Electrical Telecommunication Frames for round and ovale loudspeakers; dimensions
