Search
Search Results
- Date:
- 1917
- Item Details:
- Details and Download Information
- Full Page:
- Read this page in Context
- Highlighting:
- Read in Context with Search Highlighted
- Date Added:
- January 15, 2025
- Excerpt:
- pleasing way of projecting lantern slides is with a dissolving view lantern, by means of which the “racing
- Date:
- 1917
- Item Details:
- Details and Download Information
- Full Page:
- Read this page in Context
- Highlighting:
- Read in Context with Search Highlighted
- Date Added:
- January 15, 2025
- Excerpt:
- fine, which are marked by careful workmanship and very accurate movements, so esential to satisfactory
- Date:
- 1917
- Item Details:
- Details and Download Information
- Full Page:
- Read this page in Context
- Highlighting:
- Read in Context with Search Highlighted
- Date Added:
- January 15, 2025
- Excerpt:
- diameter lens should be used for all focal lengths over 10 inches and by all means with such illuminants as
- Date:
- 1917
- Item Details:
- Details and Download Information
- Full Page:
- Read this page in Context
- Highlighting:
- Read in Context with Search Highlighted
- Date Added:
- January 15, 2025
- Excerpt:
- obtainable from a single light source is obtained by direct lighting of the object without intermediate
- Date:
- 1917
- Item Details:
- Details and Download Information
- Full Page:
- Read this page in Context
- Highlighting:
- Read in Context with Search Highlighted
- Date Added:
- January 15, 2025
- Excerpt:
- given by ordinary eyepieces. We recommend for >her powers. Reflecting Prism Attachable Mechanical Stage
- Date:
- 1917
- Item Details:
- Details and Download Information
- Full Page:
- Read this page in Context
- Highlighting:
- Read in Context with Search Highlighted
- Date Added:
- January 15, 2025
- Excerpt:
- of black glass and covered with two plane glass plates The light becomes polarized by reflection from
- Date:
- 1917
- Item Details:
- Details and Download Information
- Full Page:
- Read this page in Context
- Highlighting:
- Read in Context with Search Highlighted
- Date Added:
- January 15, 2025
- Excerpt:
- support by removing the bellows and substituting in the sliding ways the prism-shaped metal box which
- Date:
- 1917
- Item Details:
- Details and Download Information
- Full Page:
- Read this page in Context
- Highlighting:
- Read in Context with Search Highlighted
- Date Added:
- January 15, 2025
- Excerpt:
- , of which three are supplied of varying widths. By placing one of the deflecting prisms on this slide
- Date:
- 1917
- Item Details:
- Details and Download Information
- Full Page:
- Read this page in Context
- Highlighting:
- Read in Context with Search Highlighted
- Date Added:
- January 15, 2025
- Excerpt:
- offered is designed along lines that have been found by experience to be most satisfactory from the
- Date:
- 1917
- Item Details:
- Details and Download Information
- Full Page:
- Read this page in Context
- Highlighting:
- Read in Context with Search Highlighted
- Date Added:
- January 15, 2025
- Excerpt:
- , the former by diagonally cut rack and pinion with a long range and the latter by our lever type of
