When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
How to Work with the Spectroscope: A Manual of Practical Manipulation with Spectroscopes of All Kinds (1878) (Paperback or Softback). Publication Date: 8/7/2014. Condition Guide.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.