1250 | |
Skiff outfitted for hydrography. Party off of HYDROGRAPHER. |
Eastern Gulf of Mexico 1925 |
1251 | |
Leadline survey from catamaran hull. |
Alaska |
1252 | |
Using sounding pole to measure depth in shallow water. Combined operations party of B. H. Rigg |
Indian Key, Florida 1930 |
1253 | |
Using sounding pole to measure depths. Combined operations party of William D. Patterson |
Terrebonne or Timbalier Bay, Louisiana 1934 |
1254 | |
Sounding pole with walk hydro outfit. Hydrographic party of Kathryn Andreen |
Indian River, Florida 1980? |
1255 | |
Measuring three-point sextant fix during launch hydrography. |
|
1256 | |
Measuring three-point sextant fix during launch hydrography. Launch off of LESTER JONES |
Glacier Bay, Alaska 1964 |
1257 | |
The end of a hard day of launch hydrography. Launch off of PATHFINDER |
Cook Inlet area, Alaska 1970 |
1258 | |
Taking horizontal sextant angles from ship's mast. Photograph from 1931 Hydrographic Manual |
|
1259 | |
Coast and Geodetic Survey Steamer BLAKE. In service 1874-1905. Atlantic service. Classic Gulf Stream studies, many instrument innovationsTopographic Survey. Pioneered deepsea anchoring |
Windward Passage, Caribbean Sea 1885? |
1260 | |
Tanner Sounding Machine. Designed by Zera Luther Tanner, first captain of the ALBATROSS I |
|
1261 | |
Leadline sounding operations. Wind that sucker up and let her fly |
|
1262 | |
Lieutenant Roswell Bolstad measuring a horizontal angle. On LYDONIA |
East Coast of United States 1928 |
1263 | |
Life imitating art in the Indian Ocean - celestial navigation. Very similar to Winslow Homer print of navigators on Georges Bank. Navigating on the PIONEER |
Indian Ocean 1964 |
1264 | |
Winslow Homer sketch of navigators on the Grand Banks. |
|
1265 | |
C&GS Building at 119 D. Street NE. Figure 5, page 6 of the History of Flight and Photogrammetry |
Washington, D.C. Ca. 1920 |
1266 | |
C&GS Ship HYDROGRAPHER as seen from photogrammetric aircraft. First photo mission for C&GS was an attempt to determined depths in clear water . Project in Florida Keys - ship was used as fixed reference program. Cooperative project with Aeroplane Service of the Navy |
Satan Shoal, Florida Keys 1919 |
1267 | |
The key chart showing flight lines and photo locations. Mapping of Mississippi Delta and Passes |
Mississippi Delta, Louisiana 1920 |
1268 | |
Section of mosaic of photos along Atlantic shore. Cooperative project with Army Air Service. C. G. Quillian was C&GS officer in charge of running project |
Atlantic City, New Jersey area 1919 |
1269 | |
K-1 camera. |
1920 |
1270 | |
Geometry of aerial photography. |
|
1271 | |
Making a pantograph reduction of New Jersey shore photographs. Changing scales and transferring points from photos to map sheet |
Washington, D.C. 1921 |
1272 | |
Using a stereoscope to bring images on adjacent photographs into coincidence. |
Washington, D.C. 1921 |
1273 | |
Navy crewman holding K-1 camera. Used on Mississippi Delta mapping project |
Mississippi River, Louisiana 1921 |
1274 | |
K-1 camera. Used on Mississippi Delta mapping project |
Mississippi River, Louisiana 1921 |
1275 | |
Opening in bottom of plane for K-1 camera. Used on Mississippi Delta mapping project |
Mississippi River, Louisiana 1921 |
1276 | |
The start of a mapping flight. Cooperative use of a Navy Air Service float plane for photographic duty |
Mississippi River, Louisiana 1921 |
1277 | |
Waiting for a tow at the end of the flight. Cooperative use of a Navy Air Service float plane for photographic duty |
Mississippi River, Louisiana 1921 |
1278 | |
Dry-docking of float plane after return to base. Cooperative use of a Navy Air Service float plane for photographic duty |
Mississippi River, Louisiana 1921 |
1279 | |
Comparison of a plane table sheet (on the left) and aerial photography. Cooperative project with Army Air Service |
Florida West Coast 1925 |
1280 | |
Aerial photography vs. plane table mapping. |
Florida West Coast 1930 |
1281 | |
Army Air Force 3-lens camera. |
1930? |
1282 | |
Aerial photograph from 5-lens camera. |
1938 |
1283 | |
Nine-lens camera fully assembled. This camera was designed by Oliver Scott Reading in the early 1930's. It was the state-of-the-art aerial camera for many years |
1938 |
1284 | |
Nine-lens photograph and composite image of Washington, D.C. |
Washington, D.C 1938 |
1285 | |
Martin B-10-B bomber used to test nine-lens camera. Wright-Patterson Army Air Force Base |
Ohio 1938 |
1286 | |
The nine-lens aerial camera. |
1938 |
1287 | |
Nine-lens photograph of New York City. |
New York City 1938 |
1288 | |
Portion of composite image of New York City. |
New York City 1938 |
1289 | |
Martin B-10-B bomber used to test nine-lens camera. Second photo shows transportation unit for bringing camera to aircraft |
Ohio 1938 |
1290 | |
Coast Guard PBY flying boat used for nine-lens camera photography. |
1942 |
1291 | |
Coast Guard PBY hitching a tow after landing. |
1942 |
1292 | |
Coast Guard pilot Lieutenant Vaughan with salmon berries. |
Shumagin Islands, Alaska 1942 |
1293 | |
Edgar Bergin and Ophelia at Sand Point. USO show. |
Sand Point, Shumagin Islands, Alaska 1942 |
1294 | |
Yahoo!!!! - hang on for a "slight bank". Taken from cockpit of Coast Guard PBY |
Alaska 1942 |
1295 | |
Coast Guard PBY-5 (08055) V-189. Used for aerial photography by C&GS from 1941-1943 |
1941? |
1296 | |
Crew of Coast Guard PBY-5 (08055) V-189. Joseph Sosbee standing on left - rest of crew unidentified |
Alaska 1942 |
1297 | |
Remains of Coast Guard PBY (08055) V-189. This aircraft crashed on Mount Moffat, Adak, on July 18, 1943. Two C&GS personnel killed in this crash |
Mount Moffat, Adak, Aleutian Islands, Alaska |
1298 | |
Oliver Scott Reading with components of nine-lens camera. Reassembling camera after Mount Moffat crash |
Washington, D.C. 1943 |
1299 | |
B-17 used for aerial photography following WWII. This was the last operational B-17- dubbed "Old Rotten Wings" by aircraft crew. Flown by Coast Guard crew with C&GS navigator and cameraman |
Adak, Alaska 1949? |