We tested a few bulbs and they work (see photo).
Eschenbach Lupe 4x Magnifying Glasses Low Vision Close Up View W/ Case + Manual
Leseglas Eschenbach Optik 2.75 Magnifying Glass Germany Rare Compact
Eschenbach Optik Leseglas Rare Brass Rimmed Magnifying Glass Germany Boxed Cool
ESCHENBACH Hand-held 4X Magnifying Glass mobilux LED New E53
Eschenbach Mobile LED Magnifying Glass 4X
