SCIENCE AND INDUSTRY. 
Timber preservation has occupied a large amount of time at Dehra 
Dun, and, among other interesting results, the efficacy of the Powellising 
process for preserving railway sleepers has been thoroughly demon- 
strated—for country where the rainfall is not very heavy. This is com- 
forting when one considers the large number of Powellised Karri 
WINDING STAIRWAY, STATE MUSEUM, SEATTLE. 
sleepers in the Trans-Continental railways. Another activity of the 
laboratory is the employment of a special tanning chemist in making 
a complete survey of the tanning resources of India. Immense benefit 
i has followed the work of this officer. 
88 
