This " Signal Center Domain (signalcenter.com) is for Sale: Updated on 25 Jan 2013" Go to "Parts" on my home page for images, descriptions, and prices of repair and spare parts for the TA-312/PT, TA-43/PT and TA-1/PT and also repair parts for the SB-22/PT Switchboard.
Photos of the ground communications equipment I have aquired: This is just a small portion. I have 13 SB-22/PT switchboards and over 60-80 TA-312/PT and/or TA43/PT Field Telephones, a few TA-1/PT telephones, and wire reel and the older splicing machines -- about 10 in Mint Condition still in the box (NOS) MK-356/G Splicing Kits and the copper conduit Sleeves

---