Fig. 6From: Evaluation of novel cleaning systems on mock-ups of unvarnished oil paint and chalk-glue ground within the Munch Aula Paintings ProjectUpper: CO2-snow nozzle and undiluted oil paint (Pu) mock-up secured on a vertical board. Lower: FLIR camera surface temperature measurements during cleaning trials with CO2-snow on a chalk-glue ground (G) mock-up mounted as in upper imageBack to article page