After reading Snowflake Bentley Heather, and her family made a camera which looks much like the camera Wilson A. Bentley used to photograph snowflakes.
You can learn more about Wilson A. Bentley (1865-1931) by visiting a site about the farmer
who spent most of his life producing amazing photomicrographs of
snowflakes -- at his Jericho, Vermont farm and more about Martin's book
about him by going directly to the Snowflake Bentley page on this site.