^(57£e JAOaGS Wa.Y 279 



James Ventilators with Solid Hoods 



SPECIFICATIONS 



Scf Page 2 78) 



Applying to Figures i, 2, 3 and 4 



1 . Heavy galvanized finial. 



2. Heavy galvanized cone. 



3. Inverted inner cone. Turns an- currents out and up. See Fig. I, page 277. 



4. Heavy steel wiring amply strengthening storm band, on sizes above I8-in. diameter. 



On sizes 1 8-in. or less, edge of storm band is folded and compressed. 



5. Heavy galvanized storm band. This band with skirts inside to keep out rain and 



snow. 



6. Heavy beading stiffening and strengthening storm band. 



7. Skirt greatly assists in aiding the draft. 



8. Heavy galvanized upper round body. 



9. Special bolts and nuts for fastening upper round body to lower round body. 



(Round body can be lengthened by inserting the desired length of tube at this 



joint.) 

 1 0. Heavy galvanized lower round body. 



1 1 . Special alloy non-corrosive rivets used throughout the entire structure. 

 1 2. Standing seams used to strengthen body. 



Applying to Figures i, 2 and 3 only 



1 3. Galvanized flashing, so constructed as to leave the least work for the workman 

 when placing the ventilator on the roof. 



23. Heavy galvanized combination lower body and base used in mounting ventilator on 



flat roofs or on ridge of pitched roofs. 



24. Heavy galvanized combination lower body and base used in mounting ventilator on 



side of roof. 



25. Heavy galvanized lower body and base used in mounting ventilators on round 



barns and silos. 



Applying to Figure 4 only 



1 4. Heavy galvanized steel cornice, made by us from our own designs. 



15. Corners made from extra galvanized steel. Folded and locked into side and top 



sheets to form a solid and tight structure. 

 I 6. Galvanized steel flashing so constructed as to leave the least work for the workman 



in placing the ventilator on the roof. 

 1 8. Double cone steel top, solidly fastened on. 



19. Galvanized pipe ^^-jG"'"- outside diameter. This pipe passes into cone 2, to which 



it is securely soldered, and is also threaded into a malleable casting mounted 

 inside of cone. 



20. Full bodied, double strength stamped zinc. 



21. Malleable arrow. 



22. Glass ball, five inches in diameter. Extra heavy. 



Four long bolts complete with nuts and washers are furnished to bolt \entilator 

 to roof. 



