Comparatore di proporzione
A proportional measuring instrument used to transfer points from a model while enlarging or reducing them according to a constant geometric ratio.
Methods
Telaio di puntatura
A frame used to transfer measured points from a model to a marble copy, particularly for the enlargement of bas-relief.
X-Radiography
A non-destructive imaging method using X-rays to reveal internal structure, joins, repairs, armatures, casting features, and hidden conditions within sculpture.
X-Ray Fluorescence (XRF)
A non-destructive analytical technique used to identify elemental composition in sculpture materials.
Zinc
A bluish-white metal used extensively for cast and sheet-metal sculpture in the nineteenth and early twentieth centuries.
Nebulous Spray Cleaning
A conservation cleaning method that uses a very fine, low-pressure mist of water to soften water-soluble dirt and deposits on stone.
Non-finito
The intentionally or visibly unfinished condition of a work, especially associated in sculpture with partially carved forms and surfaces that retain evidence of the making process.
Kerf
The slit or notch produced by a saw or cutting tool, and by extension the width of material removed by that cut.
Knapping
The controlled chipping or flaking of stone, especially flint, by percussion or pressure in order to shape an edge, tool, or form.
Inlay
A process in which pieces of one material are fitted into recesses in another material to create a design, pattern, image, or contrasting surface.