If you really want to go LED, try here:
 
https://www.ledlight.com/82-led-bulb-ba15d-6v-1w-positive-or-negative-chassis-g6.aspx
 
Tom T

Please note: message attached

From: Nick England <[email protected]>
To: Jeff G <[email protected]>
Cc: [email protected], "tony j. podrasky" <[email protected]>
Subject: Re: [GreenKeys] Model 28 Light bulbs - LED replacements?
Date: Thu, 23 Mar 2023 20:16:59 -0400