A Century of Air-photography

Antiquity ◽  
1954 ◽  
Vol 28 (112) ◽  
pp. 206-210 ◽  
Author(s):  
O. G. S. Crawford

When I wrote a short history of archaeological and other air-photography in 1928 the earliest examples quoted were those taken by Major Elsdale between 1880 and 1887 ; this information was given me by the late Colonel Sir Charles Arden-Close, himself a pioneer of the craft. Since then two earlier instances have come to light. The Science Museum, South Kensington, has exhibited an air-photograph of Boston, Mass., taken in 1877 ; but unfortunately it has no history. In a book published in 1930 there is reproduced a photograph taken above Paris from a captive balloon, taken by that photographic genius who called himself Nadar. Through the good offices of Professor Vaufrey, editor of L’AnthropoZogie, prints were obtained from the Service Photographique des Monuments Historiques, and two combined are here reproduced on PLATE III. They look towards the Arc de Triomphe, and have on the left the Avenue du Bois de Bouiogne (Avenue Foch) and on the right that of Victor Hugo : note that these splendid thoroughfares, then only a decade old, were still only half built-up (the left hand part of the photograph is defective). Photography itself was not much older, Fox Talbot’s first efforts having been made from 1842 onwards.

1997 ◽  
Vol 22 (3) ◽  
pp. 402-404 ◽  
Author(s):  
T. A. T. HAAPANIEMI ◽  
U. S. HERMANSSON

A 45-year-old woman with no previous history of cardiac disease woke up one morning with an irregular heartbeat and fatigue. An electrocardiogram showed atrial fibrillation and plain chest radiographs revealed the presence of a metallic pin at the position of the heart. A 24 mm-long metallic pin was removed by open thoracic surgery from within the right ventricle of the heart. Postoperative examination of the pin showed it to be one of the 0.8 mm Kirschner wires that had been used for finger osteosynthesis in her left hand 31 months previously.


1970 ◽  
Vol 9 (4) ◽  
Author(s):  
Rehman HU, MBBS, FRCPC ◽  
Kambo J, MD

A 72-year-old woman presented with a one-week history of fever, non-productive cough, and three unwitnessed syncopal episodes, with no other associated symptoms. She had poor recollection of the episodes, but denied urinary/fecal incontinence, tongue biting, numbness, parasthesias, or weakness. Her medical history was significant for hypertension, dyslipidemia, leg ulcers, psoriasis, stress incontinence, and gastroesophageal reflux disease. She did not have diabetes, coronary artery disease, or peripheral vascular disease. Her medications included Atorvastatin, Enalapril, Hydrochlorothiazide, Lansoprazole, and Calcium. She did not smoke or drink. On examination, her vital signs were stable and she was afebrile. Chest auscultation revealed crackles in the right lower base. She developed an erythematous, lacy sharply demarcated rash on her left hand that lasted for 3–4 hours after her blood pressure was taken on the same arm (Figures 1 and 2). Blood tests were unremarkable and included glucose, complete blood count, electrolytes, urea, creatinine, liver function tests, and coagulation studies.


2017 ◽  
Vol 2017 ◽  
pp. 1-7
Author(s):  
Beong In Yun

We introduce a generalized sigmoidal transformation wm(r;x) on a given interval [a,b] with a threshold at x=r∈(a,b). Using wm(r;x), we develop a weighted averaging method in order to improve Fourier partial sum approximation for a function having a jump-discontinuity. The method is based on the decomposition of the target function into the left-hand and the right-hand part extensions. The resultant approximate function is composed of the Fourier partial sums of each part extension. The pointwise convergence of the presented method and its availability for resolving Gibbs phenomenon are proved. The efficiency of the method is shown by some numerical examples.


1989 ◽  
Vol 6 (3) ◽  
pp. 299-314 ◽  
Author(s):  
Yves Guiard

An experiment compared the ability of classical pianists to sing, during keyboard performance, the right- and the left-hand part of the score being played. Upon instructions requiring them to "sing" one or the other voice of the score, the subjects spontaneously chose to sing and name the notes simultaneously, in keeping with the French traditional way of reading music, thus producing a two- dimensional tonal and verbal vocal act in response to each visual stimulus. Singing the right-hand part of the music, whether in unison with or in place of the right hand, while concurrently playing the left-hand part was judged easy by all subjects, and performance, typically, was correct in all respects. The other task, consisting of singing the left-hand part of the music, was judged more difficult by all subjects, and performance, more often than not, was poor. Careful inspection of the many errors that were recorded in the latter task revealed a few clear-cut regularities. Failures were vocal, but not manual. More specifically, vocal failures took place on the tonal dimension of the vocal response, but not on its verbal dimension: The song, but not the naming of the notes, was prone to fail, with either a loss of the pitch, or a systematic trend toward singing unduly—albeit accurately—the notes of the right-hand part. A number of subjects were found to display this intriguing tonal/verbal dissociation—naming a note at a pitch corresponding to another note—in a continuous regime. It is emphasized that this phenomenon amounts to the spontaneous production of musical events that belong to the Stroop category.


Author(s):  
A Ghare ◽  
K Langdon ◽  
A Andrade ◽  
R Kiwan ◽  
A Ranger ◽  
...  

Background: Myeloid sarcoma (MS) is a rare solid tumour made of myeloblasts or immature myeloid cells in an extramedullary site or in bone, associated with systemic hematologic neoplasms. When they occur in the brain parenchyma, they can often be misdiagnosed. Methods: The authors report a case of a 4-year old boy 6 months out of remission from AML, presenting with a short history of headaches and vomiting, and found to have a heterogenous contrast-enhancing lesion in the right cerebellar hemisphere, with differential diagnosis of myeloid sarcoma, astrocytoma, medulloblastoma and ATRT. Preliminary diagnosis was made flow cytometry from an intraoperative biopsy. The patient had a long course of chemotherapy and radiation, but eventually died from the systemic burden of his AML. Results: The authors present a literature review on 178 published cases of CNS myeloid sarcomas, and their radiological presentation and the basis of immunohistochemical and pathological diagnosis is discussed. Conclusions: Diagnosis rests on a combination of immunohistochemistry and histopathology of biopsied tissue. Surgical resection is controversial, especially given the efficacy of chemotherapy and radiation, and prognosis remains unclear. As with all uncommon and rare clinical entities, further investigation is warranted to determine prognosis and optimal management of CNS myeloid sarcomas.


2001 ◽  
Vol 18 (4) ◽  
pp. 455-489 ◽  
Author(s):  
Joel Snyder ◽  
Carol L. Krumhansl

Two experiments investigated cues to pulse finding using a relatively unconstrained, naturalistic paradigm. Participants tapped what they felt was a comfortable pulse on a keyboard playing a percussive sound. The stimulus materials were based on ragtime excerpts, played metronomically (i.e., without expressive timing or tempo variation). The first experiment, with 8 musically experienced and 8 musically inexperienced subjects, played each excerpt in two versions: a pitch-varied version (the original excerpt) and a monotonic version (with all tones changed to middle C) that was designed to remove all melodic and harmonic cues to pulse. Neither the absence of pitch information nor musical experience significantly affected performance. The second experiment tested 12 musically experienced subjects on shorter excerpts from the same ragtime pieces. Full (right-hand and left-hand parts together) and right-hand-only versions of the excerpts were each played in pitch-varied and monotonic versions. Removing the left-hand part significantly affected tapping performance on a number of measures, causing a lower percentage of tapping on the downbeat, more off-beat taps, more aperiodic taps, more switches between tapping modes, a higher variability of the intertap interval, and larger deviations from the beat. As a whole, these indicate a negative effect of removing the left-hand part. Again, differences between pitch-varied and monotonic versions were generally small. Analysis of the music revealed the following cues to pulse finding: a predictable alternating bass pattern in the left-hand part and a majority of notes on metrically strong positions in both the right-hand and left-hand parts. These results suggest that, for piano ragtime music, temporal cues are prominently available for finding and following the pulse and that pulse finding is largely independent of pitch information. Implications of the experimental measures and music-analytic techniques for models of pulse perception are considered.


2020 ◽  
pp. 004051752095739
Author(s):  
Yawen Shao ◽  
Yi Sun ◽  
Dongming Zheng ◽  
Gui Liu ◽  
Zhaoqun Du ◽  
...  

The main content of this paper is to objectively characterize the tactile comfort of fabric through the ring-shaped style tester. It mainly explains the objective tactile comfort of knitted fabric through the curve parameters measured by the ring-shaped style tester and structural parameter thickness. In this paper, by adopting the methods of correlation analysis and cluster analysis, the curve parameters, including slope in the linear segments of the left-hand part of the curve ( K1), the right-hand area of the curve ( A2), the distance between the abrupt point and the peak point ( X), the linearity of the left-hand curve ( L) and the ratio of the left-hand area to the right-hand area of the curve ( C), are used. In order to verify its effectiveness, the results of subjective evaluation are compared and analyzed with the objective clustering. The experimental results show that the subjective judgment has good correlation with the objective clustering. This indicates that the curve parameters obtained through the ring-shaped style tester and structural parameters can be used to effectively represent the tactile comfort performance of fabrics.


2006 ◽  
Vol 63 (6) ◽  
pp. 615-618
Author(s):  
Ljiljana Petrovic-Rackov

Background. Takayasu's arteritis (TA) is a nonspecific autoimmune inflammation manifested with systemic large vessel vasculitis which affects predominantly the aorta and its main branches. Case report. We presented a 40-year-old woman with a two-year history of the symptoms of compromised circulation in the head, the neck, the upper extremities and the right leg, followed by claudications in the left leg, numbness in the left hand and stenocardia. Aortic arch angyography revealed occlusion of the right subclavian artery stenosis of the right vertebral artery (20?30%) and the right iliac artery. Anti-inflammatory agents had no satisfactory effect and due to the discase progression first aorto-bifemoral bypass grafting, and 10 months later left carotid-axillary bypass grafting were performed which led to the restoration of circulation in the lower extremities and the left arm. Conclusion. This case suggested that a surgical therapy should be applied in the cases with progressive Takayasu's arteritis, particularly in the absence of a response to the conventional immunosupressive therapy to prevent eventual fatal complications.


Sign in / Sign up

Export Citation Format

Share Document