faber 88 Faber GL 88 is a compound made of unsaturated polyester modified resin, dissolved in monomer styrene, to which is added an unsaturated polyester orthophtalic modified resin, condensed with standard glycol and pre-accelerated with hardener..
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download 188bet I have only a few rules from after the model numbering changed, my largest and most advanced is a 344/83 Novo-Duplex demonstration rule for a 2/83 from 1964, and my youngest is a 1970-75 310/88,89 OHP demonstration rule. The Model Summary below contains a list of my Faber/Faber-Castell slide rules with summary details.