Automatic Age

NATION-WIDE LOCK SURVEY!
And Now a NEW Lock-For the ONE Operator in TEN
-F o r the Most TROUBLESOME Locations
THE NEW
SUPER DUO
All the Standard Duo Qualities Plus
4 Sl/PEft-SAFETY FEATURES!
1. Extra strong, extra heavy lock washer and holts
to make twisting impossible.
2. A 25% stronger cam-bolt to make forcing or
prying impossible.
3. All b rass, chromium plated, rust-proof cylinder
with hardened-steel, drill-proof insert.
4. Strongest key on the market— made of Nickel
Silver— only Superman could twist or break it!
Inside and out— from its rust-proof brass cyl­
inder to its tarnish-proof chrome finish— the
Super-Duo is designed and built to give you
more safety for more years than any other
lock!
Naturally, it costs more.
For ordinary pur­
poses, you probably won’t need the super-safety
it provides. But when you do need the finest
protection money can buy, the Super-Duo is
your lock. It gives you all the proved protection
of the Standard Duo— plus the 4 super-safety
features described above!
W RITE FOR COMPLETE IN F O R M A T IO N — A N D A FREE REGISTERED KEY!
If vou now have a Registered Key for Standard
uo Locks, you won’t need a new key for the
u per-Duo— but you will want prices. If you
° n t have a Registered Key, write for it and
“ llPer-Duo prices, too. This one non-duplicable
key, registered in our vault in your name,
will operate a ll the Duo and Super-Duo
locks you buy in the future. There is no cost or
obligation to buy locks now or later. So write
today, Address Dept. A-2.
COMPANY
Chicago, Illinois
© International Arcade Museum
http://www.arcade-museum.com/