The following information is provided to
help set up and adjust the
AMERICAN FLYER 769 ROTATING BEACON
(Original Gilbert Instructions)
INSTRUCTIONS FOR INSTALLING NO. 769
No. 769 Rotary Beacon consists of a plastic
lattice work tower, a special lamp
rotating lens housing. The lamp and
housing are packed in their own containers.
THE A. C. GILBERT COMPANY, NEW HAVEN, CONN.,
U. S. A.
Install the Beacon as follows:
1. Clean off the insulation from the
of the two wires.
2. Connect one of the wires to the
on the transformer. Connect the other
to the 15 Volt post on the transformer.
using a No. 14 Rectiformer, the two
should be connected to the two alternating
3. Take lamp No. 461 from its package
screw it firmly into the socket on
the tower. Note that the top of the
has a small cup-like depression.
4. Unpack the rotary lens housing carefully
and gently lower it over the lamp so
the steel pivot inside the housing
in the cup on top of the lamp. Handle
housing carefully. It is very delicate.
After a minute or two the lamp will
the air inside the housing and this
air streaming through the vents in
of the housing will cause it to turn
If you wish you can start it off. by
it gently in clockwise direction.
IMPORTANT: If you wish the beacon to
at its normal slow speed keep it out
The rotating housing is so light that
breeze will speed up its normal motion
or stop it completely.
M2801 Printed in U. S. A. Made in U.
Addendum: There are several other factors
that can effect the operation of the
1. The Tower should be set up and be
2. The temperature in the room can
the beacon to take longer to heat up.
3. The vents on the top of the beacon
be adjusted, usually they get closed
and restrict the air flow.
As stated in the original instructions,
beacon is delicate, so any adjustments
be made with care.