Acorn Ceiling Mounts

Brass Large Brim Hanging Light
Shiplights.com

Newberry Stem Mount 2 1/4 shade holder
Brass Light Gallery

Ellington Pendant 2 1/4" Shade Holder
Brass Light Gallery

Antique Brass Pendant Light
Shiplights.com

Ceiling Mounted Ball Holophane
PW Vintage Lighting

Jefferson: Classic Flush Ceiling Fixture
Rejuvenation

Naples
Fredrick Ramond

Victor P
Venini