BAIRD & TATLOCK (LONDON) LTD. 



2015 



2015 Blowpipe, as No. 2014, on brass pillar, height 4 in. . . 



2016 s Blowpipe for working with Methylated Spirit (Regd. No. 528481), as made to Col. 

 Aldridge's specification, with copper reservoir on wood base and sliding blowpipe jet for 

 use with blower, No. 2025 



2017 



2018 



2017 Fletcher's Compound Blowpipe, improved pattern 



For glassworkers and experimental laboratories (see Shenstone's " Method of Glass Blowing," Rivington's). 



A double concentric blowpipe, the gas and air changing automatically from the larger to the smaller blowpipe 

 by the slight movement of the lever at the back, the same movemefit also adjusting both gas and air to each other 

 for each blowpipe, giving the fullest and most instantaneous control over the character and size of the flame, 

 without necessitating the use of the hand, the two blowpipes being perfectly concentric. 



2018 Fletcher's Oxygen Blowpipe, for use with compressed oxygen. 



No. . . . . . . . . 7 20 40 



Oxygen, per hour . . 7 20 40 cubic ft. 



Gas supply , . I m - 



Size . . . . . . . . 9! 12 14^ in. 



Price . . . . . . . . 8/6 10/- 12/"- 



Price, with stopcock . . 13/- 16/- 18/- 



N.B. The blowpipes are totally useless for coal gas and air ; they are specially 

 designed for use with compressed oxygen only, 



14 CROSS STREET HATTOTST GARDEN, EC 



