File:Osborne Heard.jpg

From Embryology

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Osborne O. Heard

Osborne O. Heard (1891–1983) produced model reconstructions for the Carnegie Institute. His models were produced for many stages and were mainly made by the lost-wax casting process, and are said to be more detailed than the earlier Ziegler (1880's) embryo models.


Links: Carnegie Stages

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current09:21, 24 September 2011Thumbnail for version as of 09:21, 24 September 2011800 × 571 (93 KB)S8600021 (talk | contribs)==Osborne O. Heard== Osborne O. Heard (1891–1983) produced model reconstructions for the Carnegie Institute. Models were mainly by a lost-wax process and are said to be more detailed than the Zieglers’ models. http://www.hps.cam.ac.uk/visibleembryos