record sn range for TeleMetrum v3.0 first batch

diff --git a/production.mdwn b/production.mdwn
index 9a7fcace1141778bfdc041a3ee4d320e559428bb..ad31b5544ae6453305edd3b8d999455ac1b764ff 100644 (file)
--- a/production.mdwn
+++ b/production.mdwn
@@ -619,3 +619,8 @@ Prototype build of 2 pieces of TeleStatic v3 by Bdale on 2019.04.21
 Production build of 25 pieces of TeleLCO v2.1 by 
 [Advanced Circuits](http://4pcb.com)
 
+## sn 5729-5980 ##
+
+Production build of 252 pieces of TeleMetrum v3.0 by 
+[Advanced Circuits](http://4pcb.com)
+