Where under a hire-purchase agreement goods are let by reference to a sample, there shall be an implied condition -
(a) that the bulk will correspond with the sample in quality, and
(b) that the hirer will have a reasonable opportunity of comparing the bulk with the sample, and
(c) that the goods will be free from any defect, rendering them unmerchantable within the meaning of section 14(3) of the Sale of Goods Act, 1893, which would not be apparent on reasonable examination of the sample.