APPENDIX, 



747 



and 4d., respectively. Bending, 6d. ; obscuring, 

 4d. ; and flattening, 3d. per foot. 



Sheet-glass tiles, No. 16, 6d. ; No. 21, 8d. ; 

 No. 26, lOd. ; No. 32, Is. each. 



RusseWs patent sheet-glass tiles for roofs of con- 

 servatories, vineries, greenhouses, and for skylights 

 of warehouses, markets, &c. — This tile requires no 

 sash, and it leaves neither wood nor putty ex- 

 posed. The flange joint of the tile is covered 

 with a metal bead. It is made 34 to 40 inches 

 long, and about 11 inches broad, generally 



of 21-oz. sheet glass; and, including fixing in 

 any ordinary situation, costs lid. to Is. per 

 foot, and, with the bearings, is fully cheaper 

 than ordinary rafter and glazed sash roof, while 

 subsequent repairs of putty and paint are 

 altogether avoided. 



Glass slates, 20 inches by 10 inches, No. 16, 

 7d. ; No. 21, 10d.; No. 26, Is.; No. 32, 

 Is. 3d. each. These numbers have reference to 

 the weight in ounces per foot, and average in 

 thickness A, Tn. \, and r % inches in thickness. 



Glass Slates, (drilled with holes for the reception of the nails by 

 which to fasten them,) cost each : — 









l-13th 

 inch 



l-10th 

 inch 



l-8th 

 inch 



l-6th 

 inch 



l-4th 

 inch 



3-8ths 

 inch 



|-inch 

 thick. 









thick. 



thick. 



thick. 



thick. 



thick. 



thick. 









s. d. 



5. d. 



s. d. 



s. d. 



s. d. 



s. d. 



s. d. 



Duchess, 



24 by 12 



1 6 



1 10 



2 3 



2 6 



2 9 



3 6 



6 0 



Small imperial, 



20 



„ 14 



1 5 



1 9 



2 2 



2 5 



2 7 



3 4 



5 9 



Small duchess, 



22 



„ 12 



1 4 



1 8 



2 1 



2 4 



2 6 



3 2 



5 6 



Countess, 



20 



„ 10 



1 2 



1 6 



1 10 



2 0 



2 2 



2 9 



4 6 



Viscountess, 



18 



„ 10 



1 1 



1 4 



1 8 



1 10 



2 0 



2 6 



4 0 



Large ladies, 



16 



„ 10 



1 0 



1 3 



1 6 



1 8 



1 10 



2 3 



3 8 



Ladies, 



16 



„ 8 



0 11 



1 2 



1 5 



1 6 



1 8 



2 0 



3 3 



Doubles, 



13 



„ 7 



0 10 



1 0 



1 2 



1 4 



1 6 



1 8 



3 0 



LOCHHEADS PATENT PERFORATED GLASS FOR 

 VENTILATION, 

 per foot. 



Best quality, 6s. 3d. to 9s. according to size. 

 Second do., 4s. 3d. to 6s. 9d. ,, 

 Third do., 3s. to 5s. 6d. 



All fractional parts of inches will be charged 

 f ull inches. 



BAILLIE'S PATENT TRANSPARENT SLIDE VALVE 

 VENTILATORS, OF WHICH JOHN RUSSELL IS SOLE 

 LICENSED MAKER IN EDINBURGH. 



Plain edge, . . from 6s. Od. \ TT 

 Smooth edge, . . „ 7s. 6d. { U P wa ^ ds 

 Polished edge, . . ,, 10s. 6d. > accordin g 

 Plain edge without valve, „ 4s. Od. ) to size> 



Made to any size on the daylight dimension of 

 the opening into which the ventilator is to be 

 placed being supplied — the height being distin- 

 guished from the breadth. 



The slide valve can be made to move upwards, 

 downwards, or sidewards. 



Crown glass of best quality, 9 inches x 22 

 inches, and 12 oz. per foot, 3|d. to 4d. Superior 

 crown, manufactured by Hartley, stronger than 

 16-oz. sheet, and of a uniform thickness and 

 great transparency, 4^d. to 5^d. per foot. 

 Patent rough plate, now much used for hot- 

 house roofs, § of an inch thick, weighing 2 lb. 

 to the square foot, ^ of an inch in thickness, 

 weighs 3 lb. ; | of an inch, 4 lb. per foot. 



Patent Rough Plate-Glass. 

 Packed in Crates, for cutting up of the sizes as manufactured. 



30 inches wide, and from 40 to 50 long, . . . ) 

 Or 20 „ „ 50 to 70 „ . . . . ( 



g-inch 

 thick. 



3-i6ths 

 inch 

 thick. 



^-inch 

 thick. 



0 



d. 

 6 



S. 



0 



d. 



8 



s. d. 

 0 10 





In Squares, cut to the sizes ordered. 















Under 8 by 6, 



0 



4 



0 



6 



0 7 





0 



41 



0 



7 



0 8 



10 by 8, 



14 by 10, 



0 



5" 



0 



7 



0 9 



14 by 10, 



,, 1^ feet sup., if not over 20 inches long, 



0 



5k 



0 



7 



0 9 



1 r, feet sup. 



3 ,, if not above 30 inches long, 



0 



6" 



0 



8 



0 10 



3~ „ 





0 



6k 



0 



8 



0 10 



4 



» 5 " " 35 " 



0 





0 





0 10 





$ „ „ 40 



0 



Ik 



0 



? 



0 10* 



6 



8 „ „ 45 



0 



8' 



0 



9A 



0 11 



8 



10 „ „ 55 



0 



8^ 



0 10" 



1 0 



10 



12 „ „ 70 



0 



9" 



0 11 



1 1 



12 



15 „ „ 85 







1 



0 



1 2 



Quarries, 





o' 



'6 









Note. — Squares are charged according to the superficial contents, except where the length exceeds 

 the restriction above, in which case the higher price is charged, irrespective of the contents. 

 Irregular shapes are charged as squares. 



