![](https://coimages.sciencemuseumgroup.org.uk/422/514/large_thumbnail_l2019_0674__0002_.jpg)
"Predicta" implantable demand cardiac pacemaker model 281113
- maker:
- American Optical Company
"Predicta" implantable demand cardiac pacemaker model 281113, by American Optical Corporation, USA, 1970-1975
"Predicta" implantable demand cardiac pacemaker model 281113, by American Optical Corporation, USA, 1970-1975