Figure 86.--Card of French 18th century publisher Prault. From Henri Bouchot 'The Printed Book' (1887), page 201, published size in Bouchot 8.5cm wide by 6.5cm high.

Figure 86.—Card of French 18th century publisher Prault. Published size in Bouchot, 8.5cm wide by 6.5cm high.