METAL STEM & Screw thro bowl
This Eastman appears in the earlier advertisements. A cross section more like a Kirsten, whereas other Eastman are circular or oval in cross section.
Eastman Co Inc, 2008 N Kostner Ave, Chicago. An alloy body with what they call a "Dry Heel". A swivel turn of the bowl regulates draft control and shut-off valve. Probably led to demise of the pipe as the more fiddly bits that were incorporated into these pipes, the more there was to become stuck fast. The screw head on the underside of pipe indicates the measures taken by smokers to free up the valve. Of course most of the screw heads are ruined by forcing with screwdrivers or wrong sized coins
So many of these metal pipes have intricate smoke control features, all very clever and no doubt efficient, BUT they forgot one thing, the way the goo builds up and copies super glue after a while. Pipe smokers are relaxed folk and fiddling around with screwdrivers to clean their pipe was hardly likely to have them thank the makers
Overall length of this model is 5 3/8 inches ( 1137 m/m)