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Its 1 H NMR spectrum shows evidence of aromatic ring currents that result in an upfield shift for the interior hydrogens. In contrast, the corresponding [12]- and [16]annulenes, which are weakly antiaromatic or nonaromatic, have downfield shifted interior hydrogens.
Each one is inscribed Barbara Hepworth with the date 1969. [4] It is listed as BH 473 in Hepworth's catalogue raisonné. [5] In 1970, one of the casts of Three Obliques (Walk In) was exhibited in the second outdoor sculpture exhibition in Syon Park, London. The sculpture remained on display in the park until 1972. [6]
Initially Hepworth was in partnership with James Rhodes, but the partnership was dissolved in 1872. [7] On his own, Hepworth expanded the company rapidly, becoming a pioneer of the development of chain stores in Britain. By 1884 the company had 100 outlets. [8] For much of its history Hepworth was predominantly in the ready-to-wear suit market. [9]
Hepworth's executors donated the artist's copy (cast 0/7) to the Tate Gallery 1980, in accordance with Hepworth's wishes. It is exhibited at the Barbara Hepworth Museum in St Ives, Cornwall . Other examples are exhibited at the Kröller-Müller Museum in Otterlo in the Netherlands (cast 4/7) and the Whitworth Art Gallery in Manchester (cast 7/7).
In the 1880s they innovated further establishing shops to sell their suits direct to the public. [1] By 1890 they employed 2,000 operatives who sold their stock through 107 shops. [1] Joseph Hepworth died in Harrogate in 1911 and within 6 years of his death Joseph Hepworth & Son was the largest clothing manufacturer in the United Kingdom. [1]
Four-Square (Walk Through) (BH 433) is a 4.3 metres (14 ft) high bronze sculpture by British artist Barbara Hepworth. It was cast in 1966 in an edition of 3+1 (three casts for sale, plus one artist's copy). The four casts are displayed at the Barbara Hepworth Museum, the Norton Simon Museum, Churchill College, Cambridge, and the Mayo Clinic.
The BRM Hepworth GB-1 was a British sports prototype race car, designed, developed, and built by British Hillclimber David Hepworth and his Hepworth Racing Organization with the assitance of many other firms including Bob Sparshotts BS Fabrications using British constructor BRM final ever F1 car the BRM P230, for the North American Can-Am sports car racing series.
Mendelevium (101 Md) is a synthetic element, and thus a standard atomic weight cannot be given. Like all artificial elements, it has no stable isotopes.The first isotope to be synthesized was 256 Md (which was also the first isotope of any element produced one atom at a time) in 1955.