Category:Arthur Day Howard

Subcategories

This category has only the following subcategory.

Pages in category "Arthur Day Howard"

This category contains only the following page.

Media in category "Arthur Day Howard"

The following 6 files are in this category, out of 6 total.

• 
  FMIB 39025 Improved float employed in experiments in mussel culture showing one of crates on 'deck' opposite its berth.jpeg 1,103 × 785; 289 KB
  
• 
  FMIB 39031 Floating crate containing four basketsin which were placed the fish infected with mussel glochidia The first successful attempt.jpeg 1,042 × 645; 207 KB
  
• 
  FMIB 39064 Floatanchored in the river showing three crates in position supported by adjustable iron hangers which are visible above the.jpeg 1,103 × 785; 253 KB
  
• 
  FMIB 47835 Concrete ponds used for mussel culture experiments In the dry pond on the left is shown the method of dividing into smaller.jpeg 1,142 × 802; 292 KB
  
• 
  FMIB 47836 Crate of improved pattern showing outer screens of 14-inch mesh and inner detachable screens of copper cloth, one of which is.jpeg 1,211 × 924; 199 KB
  
• 
  FMIB 47837 One of the propagation baskets with the bottom still submerged and photographed from directly above Owing to disturbance of the.jpeg 1,125 × 898; 351 KB