Quadverter
Title
Quadverter
Creator
MITEL INC.
Identifier
1977.0509.001
Function
TO PROVIDE TOUCH-TONE DIALING IN STEP-BY-STEP OFFICES
Model
CM1625
Collection
Citation
MITEL INC., “Quadverter,” Precision Instrument Culture in Canada, accessed December 5, 2025, http://omeka.uottawa.ca/instrument-precision/items/show/7103.
Position: 1290 (140 views)