1970s Arcadia sliding door lock

A home owner from Mill Valley, California says:
I'm trying to modify a mid-1970s Arcadia sliding door with a lock for exterior entry. Pictures below.
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Tom from SWISCO responded:

We sell the 82-306 keyed door pull, which is compatible with many, many different kinds of interior handles. However I'm not sure if it will be compatible with your handle, which is just a little too old.

Ultimately you may want to consider purchasing our 82-005 handle set separately. This functions similarly to your old handle set and is guaranteed to be compatible with the 82-306. The only catch is that if your screw holes aren't 4-15/16" apart then you will need to drill new holes in the door.

A home owner from Mill Valley, California says:
Thanks for the great advise! I'm going to replace the handle as recommended.

Cheers
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