16 



Equipment of the Class Rooms. 



50 074. 1 : 25. 



50 089. 



15. 



table. The table has a line of piping, with tap, for connection to the water blast. A nickelled metal 

 water air pump with vacuometer is ready for use with inlet and outlet pipes to the water standard. In 

 the centre of the table in a pneumatic trough of zinc, with zinc bridge, with direct water inlet, over- 

 flow pipe and draining valve. The cover of the trough consists of a slate slab. On the right hand side 

 a slate slab 80 x 60 cm. is let into the table top for work involving the use of corrosive fluids. Further, 

 the table has a draught pipe for noxious gases and an electric lead, the latter consisting of 2 wood 

 covered metal rails let into the table top. The rails have plug points and 4 plug terminals having 

 ebonite handles. All pipe lines are laid ready down to the floor. 



The gasometer illustrated in the Figure is not included in the price. 



g 

 to 



X 



w 



o 



. s. d. - 



Staining the table top an acid proof black. Extra per running metre 



50.082. For laying the table top with White Glazed Porcelain Slabs per square metre extra 



For Special Fittings see Nos. 50,060 and 50,061 on p. 15 and Nos. 50,011 50,030 on pp. 1012. 



Accessories for the Lecture Tables. 



50.083. Travelling Table, being an auxiliary to the Lecture Table (see F i g. 50,086), with 

 4 double castors (capable also of lateral movement), 1 m. in length, 80 cm. in width, 

 90 cm. in height. Top of oak, body of pitch pine and oak. With a small cupboard 



The castors are covered, and the table can be moved conveniently to any desired place. 



In ordering, please supply exact details as to the inside width of the doors, in case it is desired 

 to use the table both in the class room and preparation room: the table must be about 10 cm. 

 narrower than the width of the doors. The doors must have no surface projecting above floor level. 



3. 6 



1. 7. 6 



B 



S3 



Q 



<D 

 f 



B 

 



5. 5. 



50,084. 



The preceding, with teak top 6. 1. 



50,085. Rubber tyres fitted to the castors of the preceding table so as to make the table travel 

 noiselessly Extra cost 



0. 11.0 



50,086. Travelling Table as No. 50,083 (see Figure), with 4 rail rollers; oak top and with 



arrangement for connecting to the lecture table 6. 7. 



The table is fitted to a heavy iron truck having 4 accurately turned rollers, and can be pushed 

 easily from the class room to the preparation room or museum upon a rail track let into the floor 

 (see No. 50,088). 



In ordering, please supply accurate data as to the width in the clear of the doors; the table 

 must be 5 cm, narrower than the width of the doors. 



50,087. - The preceding, with Teak Top 



3. 



50,088. Rails for above for letting into the floor. Price per 1 metre of track 0. 4. 6 



The distance from the lecture table to the middle of the museum is as a rule about 10 metres. ! 

 On ordering, we send truck and drawing, for fixing of the rails in advance. 



