Go to www.walthers.com
at top of page where it says "Search" press the GO button
Categories: lighting/electrical/motors
Scale: HO
Key words: Lamp
Return results per page: 300
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There are 152 product options
The two best are:
475-7211010 Miniatronics Brass Lamp Shades (10) $7.95
514-N-70058 Ngineering Aluminum Lamp Shades (8) $2.75
I did not see the 296-105 1.5V G_R_S Micro Lighting "Green Shade Lamp" $3.98 that was listed in Walthers SEPTEMBER 2013 Flyer.
But, if you just search for the part # 296-105 it will magically appear.
I would go with the lamp shades and use LEDs which everyone is going to because they draw so little current, produce no heat, and last a long time.
Paul Goodness