Introduction . 
TABLE OF CONTENTS. 
PART I. 
GENERAL REVIEW OF THE POSITION OF THE SLEEPER MARKET IN INDIA , 
1. Discussion on sleepers by the Railway Board and Engineers in 1921 . . 
2. Present conditions in the sleeper market ..... o 
3. Price of sleepers ......... 
(i) Cedrus Deodara, ‘ Deodar 3 
(ii) Pinus longi/olia, ‘ Chir ’....... ^3 
(iii) Pinus excelsa, ' Kail 3 
(iv) Sltorea robusta, ‘ Sal 4 
(v) Xylia dolabriformis, ‘ Pyinkado ’....... 4 
(vi) Picea Morinda, ‘ Rai 4 
(vii) Terminalia tomentosa, ‘ Sam ’....... 4 
4. Supplies of sleepers, according to species ....... 4 
(i) Shorea robusta, ‘ Sal 4 
(ii) Xylia dolabriformis, ‘ Pyinkado ’...... 4 
(iii) Cedrus Deodara, ‘Deodar’ ....... 6 
(iv) Pinus longifolia, ‘ Chir ’ and Pinus excelsa, ‘ Kail ’ . . . 5 
(v) Spruce and Silver Fir ........ 6 
(vi) Terminalia tomentosa, ‘ Sain ’...... 6 
(vii) Terminalia paniculata, ‘ Kindal ’...... 7 
(viii) Terminalia myriocarpa, ‘ Hollock ’ . . . . 7 
(ix) Dipteroearpus tuberculatus, ‘ In ’ . . . . 7 
(x) Dipteroearpus turbinatus, ‘ Gurjan ’ . . 7 
(xi) Dipteroearpus alatus, ‘ Kanyin ’....... 7 
(xii) Dipteroearpus pilosus, ‘ HoUong 8 
PART II. 
RECORD OF DURABILITY TESTS ON TREATED SLEEPERS. 
1. Details of experiments .......... 9 
2. Results with Powellized sleepers 9 
3. Results with sleepers treated with Avenarius Carbolineum Oil ... 11 
4. Results with sleepers treated with Chloride of Zinc and Green Oil or 
Avenarius Carbolineum . . . . . . . . .13 
5. Results with sleepers treated with a mixture of Soliynum and Burma Oil 
or Liquid Fuel .......... 14 
6. Results with sleepers treated under pressure with a mixture of Green Oil 
and Assam Earth Oil ......... 17 
7. Results of Indian sleeper woods creosoted in England and America and 
laid in the lines to test their durability 19 
