1874 Print Antique A. Carr Positive Circulating Steam Radiators Pipes Box MAB1 BB3 This ad features an image

This ad features an image of the Telephone Man-of-the Month

This is an original 1935 photogravure of a German industrial complex in the Saar River valley

This is an original 1923 color tipped-in print of "Ruins of Portico at the Temple of Luxor

the Eight Food Processing Plants

This is an original 1906 black and white halftone print of a young man of the Gbalin cannibalism tribe of Liberia

1874 Print Antique A. Carr Positive Circulating Steam Radiators Pipes Box MAB1 BB3 This ad features an imageThis is an original 1874 double sided halftone print illustrating Carr's Positive Circulating Steam Radiators made by A. Carr, NYC. Fig. 1 shows a radiator for a column; Fig. 2 shows a circular radiator; Fig. 3 shows the standard rectangular radiator; Figs 4 and 5 show ornamental screens for coils of steam pipe; Fig. 6 shows the interior radiator arrangement; Fig. 7 shows a sectional view; and Fig. 8 shows a box coil. Please see all images. CONDITION