CRESCENT letter scale

maker: Pelouze MFG. Co., Chicago, USA
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letter scale, maker Pelouze
CRESCENT letter scale
 

The Crescent made by Pelouze MFG. Co., Chicago, USA is a successful design. Extensive information is given at an earlier presented Crescent. Also a less old version on a heightened base exists, look at the modern Crescent. Different designs of the chart exist, see for instance the pictures at the bottom row. I don't know if the grey lacquer on this little letter scale is original. Below some more pictures of this letter scale.
 
 

back of the scale
back of the scale
 

detail 1
decorated plate
 
detail 2
zones rates at lower
left of the chart
 
detail 3
hard to read patent dates
at the bottom
detail 4
three designs with minor differences
 
detail 7
zoomed in at left chart
 
detail 8
zoomed in at middle chart
 
detail 9
zoomed in at right chart
 
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« Sol collection: part 8 «© copyright André Solversion: July 19, 2007