Fig. 8From: Economy and fashion: analysing the use of simulated leather upholstery in a nineteenth century Australian coachSource: NCFS, UC 2015Comparison of spectra from the interior upholstery sample (red line) and an alkyd standard from the Hummel Polymer and Additives library (purple line). The Hummel library suggested an Alkyd consisting of 38% vegetable oil and 32% Phthalic Anhydride.Back to article page