Suche Bilder Maps Play YouTube News Gmail Drive Mehr »
Anmelden
Books Bücher 1 - 4 von 4 in ... levels is then the problem of the investigation. HISTORICAL NOTE ON RELATED INVESTIGATIONS...
" ... levels is then the problem of the investigation. HISTORICAL NOTE ON RELATED INVESTIGATIONS While the education of the feebleminded has been given increasing attention since Seguin began his work, the exact measurement of the results of such education... "
The Occurrence and Distribution of Corundum in the United States, - Seite 74
von Joseph Hyde Pratt - 1901 - 98 Seiten
Vollansicht - Über dieses Buch

The Imperial Gazetteer of India, Band 11

Sir William Wilson Hunter - 1886
...however, large numbers of big game have been shot annually for many years, the supply is now much reduced. Only within the last few years has any attempt been made to introduce a system of conservancy into the management of the Panch Mahal forests. So severely have...
Vollansicht - Über dieses Buch

Transactions of the Natural History Society of Glascow, Band 2;Band 7

Natural History Society of Glasgow - 1890
...and the consequent paucity of records of the occurrence of the species. Indeed, it may be said that only within the last few years has any attempt been made to collect these insects systematically ; but during this short period at least four species of Trichoptera...
Vollansicht - Über dieses Buch

Bulletin, Ausgaben 267-273

1905
...automatically screened to the various sizes. In PI. XVIII, A and B, are views of the exterior and the interior of the corundum mill at Cullasagee. In the...the methods of concentrating and cleaning corundum. Bull. 2(5!>— 0<i M 11 There are now a number of companies that have installed complete concentrating...
Vollansicht - Über dieses Buch

Infantry Journal, Band 10

1914
...no common growth. Boards have made profound studies with a view to some special form of defense, but only within the last few years has any attempt been made to devise a system suited to general defense. There have been boards of Fortification and other Defenses,...
Vollansicht - Über dieses Buch




  1. Meine Mediathek
  2. Hilfe
  3. Erweiterte Buchsuche
  4. PDF herunterladen