Does anyone know the purpose of these tools?

[Joe And Penny Goss]

Used for locating bridge pin holes 
Joe Goss RPT
Mother Goose Tools
imatunr at srvinet.com
www.mothergoosetools.com
  ----- Original Message ----- 
  From: Francisco Motta, Afinador de Pianos 
  To: pianotech at ptg.org 
  Sent: Thursday, July 24, 2008 3:41 PM
  Subject: Does anyone know the purpose of these tools?


  FOR ALL: 
  Does anyone know the purpose of these tools? 
  They are made of sheet steel with 0.60mm. The largest is 81mm in length and the smallest 55mm. 
  The first impression is that this is a model for the bridges construction. 
  Who has ever seen or used? 
  Thankful. 
  Francisco Motta 
  Belo Horizonte-MG 
  Brazil
  .
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