This is a set of seven photographs of Royal Australian Survey Corps surveyors setting up observation towers in the field and undertaking survey observations during mapping and geodetic control operations. c1950s. Survey observation towers were used mainly to take angular measurements in flat or heavily forested terrain, where height was necessary to achieve observer’s line-of-sight between field survey station. The Bilby Tower seen in photo .5P was erected to a height of 75 feet (23m) above ground level. The use of the Bilby Tower in Topographic Squadron’s field survey operations from 1955 to 1966 is described in page 54 of Valerie Lovejoy’s book 'Mapmakers of Fortuna – A history of the Army Survey Regiment’ ISBN: 0-646-42120-4. CAPT George Ricketts’ period of service was from 1942 to 1976 reaching the rank of LTCOL. It is noted in page 35 of Valerie Lovejoy’s book that then SGT Ricketts hand lettering skills came to the fore from his contribution to the draughting of one of the Japan’s Instruments of Surrender in 1945.This is a set of seven photographs of Royal Australian Survey Corps surveyors setting up observation towers in the field and undertaking survey observations during mapping and geodetic control operations. c1950s. The photographs were printed on photographic paper and are part of the Army Survey Regiment’s Collection. The photographs were scanned at 300 dpi. .1) - Photo, black & white, c1950s, ‘Bilby’ survey observation tower. .2) - Photo, black & white, c1950s, CAPT George Ricketts climbing ‘Bilby’ survey observation tower. .3) - Photo, black & white, c1950s, geodetic survey equipment on ‘Bilby’ survey observation tower. .4) - Photo, black & white, c1950s, two unidentified field surveyors on ‘Bilby’ survey observation tower. .5) - Photo, black & white, c1950s, two unidentified field surveyors, with CAPT Ricketts climbing ‘Bilby’ survey observation tower. .6) - Photo, black & white, c1950s, two unidentified field surveyors undertaking observations on survey observation tower. .7) - Photo, black & white, c1950, two unidentified field surveyors erecting or dismantling a survey observation tower..1P with paper tag annotated ‘Bilby Tower’ .4P on back – ‘Bilby Tower’. .5P on back – ‘Survey Observing Tower. Observing tower used for angular measurement in flat country. 75’ high – CAPT Ricketts climbing. .6P, .7P on back. ‘1960s?’royal australian survey corps, rasvy, army survey regiment, army svy regt, fortuna, asr, surveying

Framed coloured photograph of an Observation Tower manned by two soldiers at a Firebase.photograph, firebase, observation tower

Dhurringile guard duty.Black and white photograph of south guard observation tower with a shed either side.dhurringile pow camp, observation towers

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of 7 RAR diggers man an observation post at the 'Horseshoe Feature' lookout over the known infiltration route used by NVA/VC out of War Zone D to the sea.photograph, 7 rar, war zone d, gibbons collection catalogue, horseshoe feature, diggers, nva/vc, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of the observation tower at an Australian Fire Support Base - the Diggers used the tower to maintain a close and distant surveilance of any possible NVA/VietCong movement, which may prove dangerous to those in the confines of the Fire Support Base.photograph, fire support base, nva/vc, observation tower, gibbons collection catalogue, denis gibbons, photographer, vietnam war, diggers

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection.A coloured photograph of A Gunner of 104 Battery Royal Australian Artillery at Fire Base Betty, mans the observation tower constructed in the Fire Support Base. the tower maintained a vigil on probing attempts by NVA/VietCong and assisted incoming helicopters druing Tet Offensive 1969photograph, 104 battery, raa, fire base betty, nva/vc, long bien, tet offensive, 1969, gibbons collection catalogue, gunner, royal australian artillery, fire support base, nva/vietcong, helicopters, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A coloured photograph of three members of AATTV and an American man the most forward northern base in South Vietnamaattv, photograph, south vietnam, gibbons collection catalogue, denis gibbons, australian army training team vietnam (aattv)

Digital Imagedesalination, plant,

Chart from World War 2, from memorabilia belonging to Gethla Forsyth, who served with the Australian Army Nursing Service during this timeOf significance to the AHNL because of the similarities to charts used in Australian Hospials at the timePhotocopy of chart, black print on white bakground, Japaneses characters and roman numerals. Graph for recording observations. Previous catalogue number written at top rightnursing, japanes medical observation chart, world war 1939-1945

Camp 13 guard observation tower beams (ruins) in paddock. Timber and wire fence mid distance.Camp 13, Camp Road, Murchison, Victoria. Timber beams, remnants of guard observation tower (foreground).camp 13, internment camp, murchison victoria, observation tower, ruins, guard tower ruins

Date made February 1944 Prior to the tower being built VAOC activities took place at the Post Office Jetty. Tower was demolished 1972.|Also two other photographs similarBlack and white photograph of the Volunteer Air Observors Corp tower on Esplanade showing timber tower with steps broken by two landings leading to fenced square deck on top, small observation hut built on deck, onlookers around tower and beside roadway. Lakes Entrance Victoriaobservation, world war 1939 - 1945, volunteering

This photograph is one of a series of 76 in folder P001 - taken at the opening of the observation tower.Colour photograph. Opening of the observation tower. This item and all other Darebin Parklands Association archival material is now held by State Library Victoria (Accession No: YMS 13746). Please contact State Library Victoria if access is required.

This photograph is one of a series of 76 in folder P001 - taken at the opening of the observation tower.Colour photograph. Ron Gleeson president of the DCMC at the opening of the observation tower. This item and all other Darebin Parklands Association archival material is now held by State Library Victoria (Accession No: YMS 13746). Please contact State Library Victoria if access is required.

This photograph is one of a series of 76 in folder P001 - taken at the opening of the observation tower.Colour photograph. Sue Course, Vin Heffernan and Rob Gell at the opening of the observation tower. This item and all other Darebin Parklands Association archival material is now held by State Library Victoria (Accession No: YMS 13746). Please contact State Library Victoria if access is required.

Meteorological Observation Jan 1948 flagstaff hill, warrnambool, shipwrecked-coast, flagstaff-hill, flagstaff-hill-maritime-museum, maritime-museum, shipwreck-coast, flagstaff-hill-maritime-village, book, meteorological observation jan 1948, great ocean road, meteorology

historic, Civil engineeringColour photo, Buninyong Observation towermount buninyong, tower

Model of a Bell 47G-381 Sioux observation helicopterArmy; RAAF decal of red kangaroo on blue and white circlesmodel, helicopter, sioux

Cessna Dragonfly observation aircraft- desert camouflage paintEK 359 US Stars and Stripes decalmodel, aircraft, cessna dragonfly

Four coloured photographs of Rhyll foreshore, jetty, The Nits and Observation Pointrhyll, observation point, rhyll