I also have a KS-7771 tool case and its contents, purchased from e-bay some time back.

I think it might be a close equivalent to the Teletype 113778 Universal Tool Kit. There were some differences with my KS-7771. It's possible that the original owner added or deleted tools depending on their needs.

I haven't found a layout where the tools go, but I was able to find a place for everything. Some slots were pretty obvious.

Look in these for tool information.

. Section 570-005-800TC Issue 6, August 1977

. Section 570-005-800TC Issue 1, December, 1966. (Supersedes Bulletin 1124B)

. Bulletin 1124B Maintenance Tools Change 4, October 1962 (Supersedes February 1962 Issue)

. Bulletin 1124B Maintenance Tools Change 2, April 1959 (Supersedes April 1958 Issue)

There's a page in each of these that lists the contents of the 113778 Universal Tool Kit.

These manuals are available at https://www.navy-radio.com/manuals-ttycorp.htm. Many thanks to Nick England for maintaining this great resource.

I also had a 471A tool that was listed in X-75515 Tools and Gauges (Bell Telephone Laboratories) on Archive.org.

---

Mike A.

On Sat, Jan 1, 2022 at 3:08 PM Paul Heller <paul0926@comcast.net> wrote:

Awesome question!

Paul
W2TTY

ITTY: HTTP://INTERNET-TTY.NET:8000/ITTY
AUTOSTART: HTTP://INTERNET-TTY.NET:8030/AUTOSTART
EUROPE: HTTP://INTERNET-TTY.NET:8040/EUROPE

On Jan 1, 2022, at 1:40 PM, Paul Wills <pdwills@cedarknolltelephone.com> wrote:

Here's an esoteric question:

I have a KS-7771 tool case. I have been led to believe that it was intended for Teletype technicians. I can guess where some of the tools go (such as the spring gauges) but have no idea where anything else would go.

Does anyone know whether AT&T ever had a BSP describing the contents and configuration of each type of tool kit?

PDW

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