Estimates of Cost for Chemical Supplies. 



1089 



For For 



Realanstalten Gymnasia 

 Number s. d. Number s. 

 .51, 351. Crystallising dishes 10 0. 6. 



Flasks with side 



neck, 500 com ... 2 0. 2. 

 1000 ccm . . . . 2 0. 2. 11 

 Combustion tubes, 

 350 mm long, 20 mm 



wide 20 0. 8. 10 0. 4. 



- idem, shut at one end 10 0. 5. 5 0. 2. 

 .">l.:(tu. Hessian crucibles, 



8 cm high 3 0. 0. 3 



Graphite crucible, 

 95 x55 mm .... 2 0. 1. 



51.413. Burettes with 



pinch cock, 50 ccm. 1 0. 2. 6 

 100 ccm .... 1 0. 4. 6 

 51,415. Floaters for above, 



each 0. 0. 8 .... 2 0. 1. 4 



51.414. Burettes with glass 



stopcock, 100 ccm . 1 0. 4. 8 

 51,342. Measuring glass 



with stopper, 250 ccm 1 0. 2. 5 

 51,341. Measuring cylinder 



with lip, 100 ccm . 1 0. 1. 3 



200 ccm .... 1 0. 1. 7 1 0.1. 

 500 .... 1 0. 2. 3 

 1000 . . . . 1 0. 4. 1 

 51,379. Measuring flasks, 

 with stoppers, 100, 



250, 500 and 1000 ccm 4 0. 4. 2 4 0. 4. 

 51,411. Overflow pipettes, 

 2 of each size of 1, 5, 

 10, 25 and 50 ccm . 10 0. 5. 10 0. 5. 



51.352. Porcelain dishes, 

 2 each of 60, 70, 85, 



100, 125 and 155 mm 12 0. 4. 

 idem, 260 mm . . 2 6. 4. 

 Porcelain dishes, 



2 each of 70, 100 and 



155 mm 6 0. 2. 



Small porcelain 



dishes for combustion 



experiments, 42 mm 



of diam 10 0. 1. 6 



51.353. Porcelain cru- 

 cibles, 2 sets .... 16 0. 8. 8 



idem, 30 ccm alone 3 0. 1 . 



Glowing capsules 

 of porcelain .... 5 0. 3. 



Glass rods, up to 

 10 mm thick ... 0,5 kg 0. 0. 10 0,5 kg 0. 0. 



Sieve-plates of por- 

 celain, 40 mm ... 1 0. 0. 5 



idem, of 70 mm . 1 0. 0. 8 



Sieve-funnel of 

 porcelain, 80 mm . 1 0. 0. 7 



idem, 125 mm . . 1 0. 1. 

 ">!.: :!49. Watch glasses. ? 

 each of 50, 65, 80 

 and 100 mm .... 8 0. 2. 6 

 ol.'?50. Watch glass 



clamps, 1 set ... 4 0. 1. 3 



Glass bell with flat 

 stopper 

 300 mm high, 120 mm 



diam 1 0. 3. 7 



300 mm high, 150 mm 



diam 1 d. 4. 5 



250 mm high, 100 mm 



diam 1 0. 2. 10 



150 mm high, 80 mm 



diam 1 0. 1. 7 



i 'ylinder with foot 



and brim 

 200 mm high, 50 mm 



diam 2 0. 1. 4 



300 mm high, 50 mm 



diam 2 0. 1. 7 



400 mm high, 80 mm 



diam 2 0. 3. 8 



250 mm high, 80 mm 



diam. . 2 0. '2. 5 



10 



I - 



For For 



Eealanstalten Gymnasia 

 Number s. d. Number s. d. 



Cylinder with wide 

 neck and ground-in 

 stopper 



250 mm high, 80 mm 



diam 2 0. 



300 mm high, 60 mm 



diam 3 0. 



200 mm high, 60 mm 



diam 2 0. 



130 mm high, 40 mm 



diam 2 0. 



Glass plate, round, 

 matt on one side 20 cm 1 0. 0. 7 



Joining stopcocks, 



3 mm outlet .... 2 0. 3. 2 0. 3. 



Three-way-cock, 

 3 mm outlet .... 2 0. 6. 4 2 0. 6. 4 



Three-way-piece 

 with 2 stopcocks . . 1 

 51,174. Brass tap with 



hose pieces .... 1 

 51,168. T -piece for hose 



1 



4. 6 



5. 

 2. 9 

 1. 4 



unions 



51,17d. + -piece for hose 

 connections .... 

 51,256. Gasometer of glass, 



15 litres capacity . . 

 51,253. Gasometer (Pepys'; 



50 liters capacity 

 51,282. Gas generating 

 apparatus (Kipp's), 



1000 ccm 



51,403. Gas washing flasks 

 (Bunsen's), 500 ccm 

 Separatory funnel, 



50 ccm 



idem, 150 ccm . . 

 51,407. Spherical tubes, 



2 sets 



51,409. U- tubes (desiccat- 

 ing tubes), 2 each of 

 80, 130 and 180 mm 

 idem, 210 mm . . 

 Test glasses, cups, 



50 ccm 



100 ccm 



Mercury trough, 

 300 ccm, of porcelain 

 Double-shelled flask 

 (Dewar's), 200 mm 

 long, with foot 

 51,339. Pneumatic trough 

 51,322. Pulverising dishes, 

 70, 100 and 130 mm 

 idem, 70 and 130mm 

 5 1 ,320. Mortar with pestle 



51.355. Flat iron dish, 

 80 mm .... 



51.356. 100 mm . 



51.357. -- 150 mm . 

 Iron tubes, 50 cm 



long, 2 cm wide, open 

 Iron tube, 40 cm 

 long, closed at one side_ 

 Total ." 



0. 

 0. 

 0. 

 0. 

 4. 



0. 1 



0. 

 0. 



0. 2. 

 0. 2. 



0. 

 0. 



2. 0. 



3. 0. 



1. 0. 



0. 3. 



4. 



2. 



Various supplies and tools. 



Wall board and tool cup- 

 board with tools for 

 general use see in the 

 collections of fittings 

 for the Physics and 

 Chemistry class- 

 rooms, vol. I. 



51,309. Crucible tongs, 



polished 3 



Tweezers, of iron. 1 



0. 3. 1 



0. 0. 5 



0. 1. 0> 



69 



