c1-13 Clodoveu Davis

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===== Mechanical calculators: FACIT C1-13 =====

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I purchased this machine at an oline auction site in February 2011. It was in quite good condition, apart from the natural deterioration of some rubber fixtures. Apart from re-chrome plating the external levers, I kept its original look, including part of a sticker in the back from a maintenance shop in Belo Horizonte, Minas Gerais, Brazil. It's mechanism, however, was hardened by the deterioration of oils and greases used in its lubrication from back in the 1960s and possibly the 1970s. I did a complete disassembly, cleaning and reassembly, along with a (modern) lubrication, and the machine is back in its prime condition.

This machine was manufactured in c1968, at FACIT's unit in Juiz de Fora, Minas Gerais, Brazil. Later machines had a plastic cover, but this one is in die-cast metal.

**Have a mechanical calculator stored somewhere, and want to get rid of it? Send it to me!**

**Disassembly, cleaning and reassembly of a 1968 FACIT C1-13 s/n B-82656**

Disassembled parts

{{ http://www.dcc.ufmg.br/~clodoveu/files/Images/FACIT-C1-13/Small-0000.jpg | Disassembled parts}}

Base plate and keyboard

{{ http://www.dcc.ufmg.br/~clodoveu/files/Images/FACIT-C1-13/Small-0019.jpg | Base plate and keyboard}}

Right-hand side plate

{{ http://www.dcc.ufmg.br/~clodoveu/files/Images/FACIT-C1-13/Small-0022.jpg | Right-hand side plate}}

Left-hand side plate

{{ http://www.dcc.ufmg.br/~clodoveu/files/Images/FACIT-C1-13/Small-0024.jpg | Left-hand side plate}}

Division mechanims and carry lever detent bar

{{ http://www.dcc.ufmg.br/~clodoveu/files/Images/FACIT-C1-13/Small-0026.jpg | Division mechanism and carry lever detent bar}}

Accumulator and counter registers

{{ http://www.dcc.ufmg.br/~clodoveu/files/Images/FACIT-C1-13/Small-0029.jpg | Accumulator and counter registers}}

Pinwheel rotor installed

{{ http://www.dcc.ufmg.br/~clodoveu/files/Images/FACIT-C1-13/Small-0030.jpg | Pinwheel rotor installed}}

Front view

{{ http://www.dcc.ufmg.br/~clodoveu/files/Images/FACIT-C1-13/Small-0032.jpg | Front view}}

Carry rotor

{{ http://www.dcc.ufmg.br/~clodoveu/files/Images/FACIT-C1-13/Small-0033.jpg | Carry rotor}}

Masks and indicators

{{ http://www.dcc.ufmg.br/~clodoveu/files/Images/FACIT-C1-13/Small-0034.jpg | Masks and indicators}}

Finished

{{ http://www.dcc.ufmg.br/~clodoveu/files/Images/FACIT-C1-13/Small-0037.jpg | Finished}}

Rear view

{{ http://www.dcc.ufmg.br/~clodoveu/files/Images/FACIT-C1-13/Small-0039.jpg | Rear view}}

Bottom view

{{ http://www.dcc.ufmg.br/~clodoveu/files/Images/FACIT-C1-13/Small-0043.jpg | Bottom view}}

**More about this machine**

[[http://home.vicnet.net.au/~wolff/calculators/Tech/FacitC1-13/C113.htm | Technical description]]

[[http://home.vicnet.net.au/~wolff/calculators/Tech/FacitC1-13/C113Rebuild.htm | Rebuilding the FACIT C1-13]]

[[http://public.beuth-hochschule.de/~hamann/facit/f-13/index.html | Operation ]]

[[http://home.vicnet.net.au/~wolff/calculators/Facit/Facit.htm | The evolution of FACIT calculators]]
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c1-13.1359979822.txt.gz · Last modified: 2013/02/04 10:10 by clodoveu
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