Show BULLETINS AND catalogues cataloguer CATAL the march bulletin published by the minneapolis steel machinery company has been received the work is largely devoted to the tractors put out by the company and contains a number of articles of interest catalogue B of the southwestern engineering company of los angeles manufacturers of the K K flotation machine has been received the catalogue is devoted to a description of the popular flotation units built by the company and is finely illustrated dupont magazine for march is a most interesting te number it contains many interesting and useful articles the illustrations are fine and the next will be read with in terest the hercules powder company of new york has issued a most interesting work of pages entitled hercules products this is profusely and beautifully illustrated and contains much that will be interesting to those employed in hard rock mining as well as those engaged in industrial pursuits |