Cook porcelain signals
 Headquartered in Cambridge, Ohio and produced in Byesville,
Cooks were manufactured from the early 1920's to sometime in
the early 1930's. All on this page have glazed pinholes. All have
fairly deep inner petticoat-to-thread (except for U-308). Pinhole
tops are slightly concave.

  Reported styles: U-249, U-283, U-289, U-291, U-293, U-295,
U-297, U-308

  Reported colors: brown, chocolate brown, yellow, white,
light honey yellow
brown Cook U289
white Cook U291
dark reddish brown Cook U297
light cream/yellow CookU297
dark reddish brown Cook U308
mottled brown Cook U297
U-308 lightly incised in skirt
U-289 incised on crown.
U-297s incised on crown.