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040			_aGR-AtEMST _bgre _dGR-AtEMST _eAACR2
082	1	4	_a69.53
100	1		_aThomson, Garry _4aut _93312
245	0	4	_aThe museum environment / _cGarry Thomson.
250			_a2nd ed.
260			_aLondon ; Boston : _bButterworths, in association with the International Institute for Conservation of Historic and Artistic Works, _c1986
300			_a293 p., [8] p. of plates : _bill. (some col.) ; _c25 cm.
490	0		_aButterworths series in conservation and museology
500			_aIncludes index.
500			_aMachine generated contents note: Light Part I Surface deterioration -- Light and heat energy -- The spectrum -- The basic light sources -- Colours and materials which change -- Damage caused by UV and visible radiation -- UV radiation and how to deal with it -- Measuring UV and visible radiation -- The reciprocity law -- Controlling visible radiation -- Reducing illuminance -- 50 lux - artificial light -- Diffusion of light -- 200 lux - daylight and artificial light -- Conservation lighting specifications -- Treatment of windows -- Angle at which light falls on exhibits -- Reducing time of exposure -- A suite of exhibition rooms -- Heat -- Control of temperaturet S -- Lighting for professional photography, television -- and restoration -- Electronic flash -- Colour rendering -- The measurement of colour -- The lighting situation and the process of seeing -- Humidity Part I The importance of humidity -- Measuring the humidity in the air -- The wet-and-dry-bulb hygrometer -- Electronic hygrometers -- Non-mechanical hygrometers -- linderstanding the hygrometric chart -- Response of museum material to RH -- Best RH for moisture-containing absorbent materials -- Climate inside anld outside the museum -- Condensation and the dew point -- Humidity control -- RH control in a room -- The humidistat -- Humidifying equipment -- Dehumidifying equipment -- Room RH control: maintenance and air circulation -- Packaged air-conditioning units -- Ducted air conditioning -- RH control in a closed case - buffers -- Silica gel in packing cases -- Exhibition cases -- The buffered case: towards a practical solution -- RH control in a closed case - use of salts -- Mechanical RH stabilisation in cases -- Future development of exhibition case stabilisation -- RH is often a matter of compromise -- Historic buildings closed in winter and churches -- Improvisation and RH control -- Humidity control in archaeology -- Air Pollution Part I The problem -- Particulates -- Particulate concentrations
504			_aBibliography: p. 271-285.
650		4	_aEnvironmental engineering. _911472
650		4	_aMuseum buildings _xEnvironmental engineering. _910377
650		4	_aMuseum conservation methods. _911858
942			_cBK
999			_c35236 _d35236