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results 1-20 of 86 item(s)  page 1 of 5 : ( <<  1  2  3  4  5  >> ) :: previous : next
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Cross-section, through portion of a perfectly treated pile which was split and broomed during driving.
1. Cross-section, through portion of a perfectly treated pile which was split and broomed during driving. Teredo entered splits and worked through untreated heartwood to the creosoted outer shell, which was attacked in a few spots as shown by smaller pieces. (Bottom of photo is left side of plate)
Vertical section, through portion of a perfectly treated pile which was split and broomed during driving.
2. Vertical section, through portion of a perfectly treated pile which was split and broomed during driving. Teredo entered splits and worked through untreated heartwood to the creosoted outer shell, which was attacked in a few spots as shown by smaller pieces. (Bottom of photo is left side of plate)
Perfectly treated pile attacked by Xylotrya which entered through the small knot (about 1/2 inch in diameter)
3. Perfectly treated pile attacked by Xylotrya which entered through the small knot (about 1/2 inch in diameter)
Fender pile, Shell Oil Company dock, Martinez, California. Sections three feet apart, mud-line to high
4. Fender pile, Shell Oil Company dock, Martinez, California. Sections three feet apart, mud-line to high water. November, 1920. Note deeper penetration on down-stream (right side) and offshore (lower) exposure
Traffic sign at Madrona Drive and Lake Washington Boulevard, Seattle, Washington, November 30, 1910.
5. Traffic sign at Madrona Drive and Lake Washington Boulevard, Seattle, Washington, November 30, 1910.
Residence built on pilings on the shore of Lake Washington, north of Madrona Park, Seattle, Washington,
6. Residence built on pilings on the shore of Lake Washington, north of Madrona Park, Seattle, Washington, May 15, 1911.
Residence built on pilings on the shore of Lake Washington, north of Madrona Park, Seattle, Washington,
7. Residence built on pilings on the shore of Lake Washington, north of Madrona Park, Seattle, Washington, May 15, 1911.
Residence built on pilings on the shore of Lake Washington, north of Madrona Park., Seattle, Washington,
8. Residence built on pilings on the shore of Lake Washington, north of Madrona Park., Seattle, Washington, May 15, 1911.
Residence built on pilings on the shore of Lake Washington, north of Madrona Park., Seattle, Washington,
9. Residence built on pilings on the shore of Lake Washington, north of Madrona Park., Seattle, Washington, May 15, 1911.
Residence built on pilings on the shore of Lake Washington, north of Madrona Park, Seattle, Washington,
10. Residence built on pilings on the shore of Lake Washington, north of Madrona Park, Seattle, Washington, May 15, 1911.
Residence built on pilings on the shore of Lake Washington, north of Madrona Park, Seattle, Washington,
11. Residence built on pilings on the shore of Lake Washington, north of Madrona Park, Seattle, Washington, May 15, 1911.
Sailboat in the water near Golden Gardens Beach in Seattle, Washington, December 14, 1974
12. Sailboat in the water near Golden Gardens Beach in Seattle, Washington, December 14, 1974
Ferry crossing Puget Sound near Edmonds, Washington, August 11, 1974
13. Ferry crossing Puget Sound near Edmonds, Washington, August 11, 1974
Pile jacketed with cement by Camp process, being pulled for examination
14. Pile jacketed with cement by Camp process, being pulled for examination
Lower forms used in Camp process. Note metal fingers supporting canvas web to keep condcrete from dropping
15. Lower forms used in Camp process. Note metal fingers supporting canvas web to keep condcrete from dropping through
Section through jacket showing borer holes in close proximity. One borer (Pholadidea penita) in place
16. Section through jacket showing borer holes in close proximity. One borer (Pholadidea penita) in place in burrow
Destructive action of Teredo navalis on a Douglas fir 6 by 8 timber planted at Souther Pacific wharf,
17. Destructive action of Teredo navalis on a Douglas fir 6 by 8 timber planted at Souther Pacific wharf, Port Costa, California, July 1, 1920.
Fig.1 Secion 10 feet 2 inches above mud line.
Fig.2 Section 6 feet 6 inches above mud-line.
Fig.3. Section 6 inches above mud-line.
Note contrast between inshore (right) and offshore (left) sides in the intensity of attack and destruction
Oil piling at Banker's Warehouse at Crockett, showing burrows of Xylotrya setacea and attack of Teredo
18. Oil piling at Banker's Warehouse at Crockett, showing burrows of Xylotrya setacea and attack of Teredo navalis (at right). Pulled December 2, 1920
Fender pile of Douglas fir from wharf of Shell Oil Co., Martinez, California, pulled November 5, 1920,
19. Fender pile of Douglas fir from wharf of Shell Oil Co., Martinez, California, pulled November 5, 1920, showing penetration of Teredo navalis in 1920(?) at ten equidistant sections. Distance from mud line to high water, 29 feet
Inner surface of 1" redwood sheathing, submerged 20 months in Pearl Harbor. Martesia striata coming through
20. Inner surface of 1" redwood sheathing, submerged 20 months in Pearl Harbor. Martesia striata coming through from outside. Looking through empty burrows, note small openings, through which borers entered. At upper left is seen a strip of tarred ship felt whicch they have penetrated
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