No. 5"."!!'. 



Lecture Tables. 



13 



50 041. 1 : 32. 



3 



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 O 



a 



o 



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 M 



with three coats of hot linseed oil. The body is of pitch pine, carefully stained and varnished, and . s. d. 

 contains 8 drawers. 2 double-doored cupboards and 1 bracket for taking gas burners. The base fillets 

 are of oak and are rounded off at the edges, do not become disfigured when knocked, and wear is reduced 

 to a minimum. The table is fitted with a line of piping with four taps and straight hose unions; a line 

 of water piping with two water taps with funnel arranged underneath; a semicircular basin at 

 the right hand side with draining valve and waste pipe having a water syphon. Above this 

 is a water tap with screwed union for hose pipes; pipes for obtaining vacuum with 1 hose tap; pipes 

 for obtaining compressed air, with 1 hose tap; a double electric lead each part having 2 plug boxes 

 at the two ends of the table, for the projection lamp; from the centre to right and left respectively 

 each 1 plug box for 20 and for 6 amperes, and 3 terminals 'for connecting up the reflecting galvano- 

 meter, also 1 switch for the lamp of the latter. The leads, taps, plug boxes and switches on the long end 

 of the table are all placed under the top of the table and carried down to the floor. 



Lecture Table for Physics and Chemistry, iron parts reduced to a minimum, as suggested by 

 Fredr. C. G. M ii 1 1 e r. 



List Xo. 50,042 50,043 



Length m. 3 3.5 



Price 25. 6. 28. 12. 



The approximate gross weights with batten packing are: about 330 kg for a length of 3 m, 

 390 kg for 3.5 m. 



The table is 90 cm in height and 80 cm in width. The top is of oak 40 mm. thick and con- 

 sists of frame and pannellings; it is stained an acid-proof black. The body is built of pitch pine and 

 is carefully stained and varnished. It has 8 drawers, 2 cupboards with movable bottoms, 1 box for 

 waste ]>;qier and one bracket for containing gas burners. Four drawers are zinc lined. The table 

 has pipes for water, gas, for producing a vacuum, also for compressed air, and electric leads; 1 water 

 sink, (porcelain) with drainer, 1 pipe for drawing off gases, 1 pneumatic trough (zinc) with zinc 

 bridge, with direct water inlet and overflow. The electric lead consists of two wood covered brass 

 rails placed close together and let into the table having plug holes every 50 cm. The latter take 

 4 plug terminals (supplied along with the table) fitted with ebonite handles. The rails are connected 

 with a lead contained in a conduit, this lead ending in the centre of the table (where there is a free space 

 left) to be connected there with a battery of accumulators which is placed at this part of the table. 

 There is a meter scale on the front edge of the table top. The covers of the water outflow and of the 

 gas off-take are constructed of brass and can be inserted in brass rings. The cover of the pneumatic 

 trough consists of a slate slab, which is removed by means of a detachable handle. 



The following are given in with the table: 1 water hose, 1.5 m. long with bent brass tube, and two 

 slabs of oak, 80 x 80 cm. for laying on the table top. 



50,044. Blow Pipe Table, 80 cm. in length, 60 cm. in width and 90 cm. in height, for standing 

 on the preceding lecture table, with bellows, glass cutting knives, 5 tools (brass) 

 and blow pipe burner. The top of this table is covered with asbestos 4. 



50,045. Pneumatic Trough, with lowering device. Length, 50 cm.; width 30 cm.; depth, 

 25 cm., with copper bridge, glazed with plate glass.- The trough has direct water inlet 

 from underneath, and overflow Extra as against zinc trough: 



Simple Lecture Table for Secondary and Continuation Schools. 



List Xo. 50,046 50,047 50,048 50,049 

 Length of Table m. 2.5 3 3.5 4 



Price 12. 8. 14. 6. 17. 1. 19. 0. 



The gross weights are given only approximatelly and hold for lath-packing : 'about 270 kg for 

 a length of 2,5 m, 310 kg for 3 m, 340 kg for 3,5 m and 375 kg for 4 m. 



The top is 30 mm. thick oak, composed of frame and pannellings, and thrice coated with hot Unseed 

 oil. The body is of pitch pine carefully stained and varnished; and the inner side walls and bottoms 

 are constructed of deal. The table has 8 drawers and two cupboards; it has gas and water supply pipes 

 and 2 to 4 gas taps (according to length) with hose unions curved upwards. On one of the narrow 

 -ides is a white porcelain basin with draining valve, siphon and waste pipe. The gas and water leads 

 are laid readv on the table down to the floor. 



6. 



8. 0. 



Cl. 1710. 



