[Lowfer] Capacitor value in centimeters?

[k2ors at verizon.net]

I probably should have said the Leyden Jar is the original condensor (rather than capacitor).

73 Warren K2ORS
          WD2XGJ
          WD2XSH/23
          WE2XEB/2
          WE2XGR/1


Nov 29, 2010 02:12:46 PM, lowfer at mailman.qth.net wrote:

===========================================

Jars refers to the Leyden Jar (the original capacitor). 
1MicroFarad = 900 Jars or to  put it another way 1Jar = 1.11111 nF


73 Warren K2ORS
          WD2XGJ
          WD2XSH/23
          WE2XEB/2
          WE2XGR/1


Nov 29, 2010 02:03:11 PM, k5wms at centurytel.net wrote:

===========================================

See http://www.magnet.fsu.edu/education/tutorials/java/capacitor/index.html

Quote" originally capatance was measured in jars, now we use farads in 
honor of Michael Faraday.."

Doesnt give conversion

Paul k5wms

Quoting John Bruce McCreath :
> Hello Lowfers,
>
> I have a book titled "Handbook of Technical Instructions for Wireless
> Telegraphists" dated 1918. 
> In it, the value of capacitors (condensers) is expressed in 
> centimetres and/or
> jars, both of which
> mean nothing to me.  I did a quick Google search for a conversion formula or
> table, but no luck. 
> Anyone here know how to convert capacitance expressed in centimetres into
> terminology that
> we use today?
>
> 73, J.B., VE3EAR
>
> LowFER Beacon "EAR"
> 188.830 kHz. QRSS30
> EN93dr
>
>
>
>
>
> ______________________________________________________________
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Paul Daulton K5WMS
beacon WMS 185.302 khz qrss30/slow 24/7
Jacksonville,Ar 72076
em34wu

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