Ultrasound scanner, Scotland, 1961
This is the ‘Diasonagraph Mk1’ ultrasound scanner. It can perform both ‘A’ (one-dimensional) and ‘B’ (two-dimensional) scans. This means it provided different displays of internal structures such as a specific organ or a foetus. This example was made in Scotland and used by Dr Stuart Campbell during cephalometric-based research of foetal development. Cephalometry is the study of skull growth. Campbell’s work established procedures that made ultrasound a key part of antenatal care. Ultrasound is a safe way of checking the development of the foetus.
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