Double Boiler with Heat Spreader. Note the wide knob at the top of the pot. Has a very faint blue cast around the edges. This wide knob has a
Pyrex Flameware Pot
Pyrex Flameware #6283U 1.5 Qt Double Boiler Top Insert No Lid : Everything Else
Vintage Pyrex Flameware Glass Double Broiler with Acrylic Handles - 3 – edgebrookhouse
Pyrex, Flameware, Glass Double Boiler, 6283
RARE Vintage Pyrex Flameware 1.5 QT Double Boiler With Glass Handles 1950s Pyrex Flameware Double Boiler Pot
Pyrex Flameware #6283U 1.5 Qt Double Boiler Top Insert No Lid : Everything Else
Here is a Pyrex 6283 1-1/2 quart glass double boiler with a nice blue tint.
Vtg Pyrex Flameware Glass Double Boiler 1.5 Quart 6283 Blue Tint Heat Spreader
Vintage Pyrex Glass Flameware DOUBLE BOILER 6283 Complete w/HEAT SPREADER GRID
PYREX DOUBLE BOILER MODEL 6283 HIGH QUALITY PYREX SHATTER RESISTANT VERY HIGH HEAT TOLERANCE DISCONTINUED VINTAGE MODEL
Vintage Pyrex Flameware Double Boiler 6283
VINTAGE PYREX GLASS Double Boiler Saucepan PARTS ONLY INNER REPLACEMENT VGC $27.50 - PicClick AU
Pyrex Flameware Double Boiler, Vintage Glass Double Boiler, Pyrex
Pyrex Flameware Glass Double Boiler #6283 Complete Heat Spreader 1.5 qt Rare