| 
      
      The Detection of Mechanical Bank Reproductions
 (Part I)
 by Sy Schreckinger – ANTIQUE TOY WORLD Magazine – November, 
      1993
       A problem which may occasionally confront both 
      the novice and the experienced collector is the detection of reproduced 
      mechanical banks. Unfortunately, this situation has become increasingly 
      more frequent over the past few years due to prices of mechanical banks 
      which have risen to unprecedented heights. It is, therefore, advantageous 
      to be able to recognize recasts since knowledge acquired through education 
      and experience may minimize the possibility of unknowingly acquiring a 
      reproduced example.Recognition of a reproduction is dependent upon awareness of the 
      unique, inherent characteristics of a genuine antique mechanical bank and 
      the standards practiced at the iron foundries during the late-19th and 
      early-20th centuries. These include the molding and casting process, and 
      the application of paint to the assembled mechanical bank surface. Scrutinization of an old, original mechanical bank would reveal 
      glass-smooth, highly detailed castings and tight seams that had been 
      fitted precisely. Figure I is such an example: i.e., "Teddy and the Bear" 
      bank, circa 1907, manufactured by the J. and E. Stevens Company of 
      Cromwell, Conn. In contrast, a reproduced mechanical bank manufactured by 
      a modern iron foundry will display poorly fitted parts; gaping seams; 
      soft, indistinguishable detail; and a coarse, pebbly textured surface (eg, 
      Figure II: A reproduction "Teddy and the Bear" bank, circa 1957, 
      distributed by the "Book of Knowledge Collection").
 One of the primary reasons for the radical differences in surface 
      texture and appearance between a recently produced bank and an antique 
      mechanical is the quality of molding sand each of the iron foundries 
      utilized in its casting process. Nineteenth and early-20thcentury 
      foundries used an extremely fine-textured, high-grade casting sand in 
      their molds. The result was a much smoother finish than those cast from 
      molds utilizing a cheap, coarse grade of sand which is commonly used by 
      modern-day foundries. However, it is not solely the quality of the sand 
      which guarantees the sharp, crisp castings inherent to all antique 
      mechanical banks.
 All antique cast-iron mechanical banks commence as highly detailed 
      master patterns. These were handmade and carefully finished working models 
      of the mechanical bank that would ultimately be manufactured. They were 
      usually comprised of a soft, easily workable metal, such as bronze or 
      lead. The individuals responsible for their creation were exceptionally 
      skilled and trained master craftsmen. The master pattern parts were then 
      pressed into the sand molds, forming an exact hollow replica of the 
      pattern's surface. Subsequently, molten iron, poured into these molds, 
      when cooled emerged as precise, smooth, beautifully detailed parts for a 
      mechanical bank.
 On the other hand, procedures of the contemporary iron foundries 
      differ from the archaic casting process previously discussed. Not only do 
      they utilize actual antique mechanical banks as their master patterns 
      rather than the actual highly detailed master patterns themselves, but 
      they press the banks into coarse sand in order the create their molds. The 
      results are reproductions which lack the detail and smooth characteristics 
      of the old, original bank.
 Probably the most significant factor in determining a reproduction, 
      aside from appearance, is the fact that molten cast iron shrinks 
      approximately one-quarter of an inch per foot as it cools. The 
      reproduction "Teddy and the Bear" bank, shown in Figure II, measures 
      approximately one-quarter of an inch shorter along its base than the 
      original "Teddy and the Bear" bank in Figure I.
 Next month: The detection of reproduced mechanical banks through 
      their painted surface, and a list of significant antique mechanical banks 
      that have been reproduced.
 |