Geographic Information: London, England, United Kingdom / Date: 1880 / Language: English - Blacklight Search Results

Start Over Geographic Information London, England, United Kingdom Date 1880 Language English

1. Troughton and Simms filar micrometer

Creator:: Troughton & Simms, London
Collection:: Robert B. Ariail Collection of Historical Astronomy
Institution:: South Carolina State Museum

2. Troughton & Simms 3.125 in. refractor with filar micrometer attached

Creator:: Troughton & Simms, London
Collection:: Robert B. Ariail Collection of Historical Astronomy
Institution:: South Carolina State Museum