THE EXETER 



HEATING APPARATUS, 



GREENHOUSE HEATING 

 A SPECIALTY. 



Our systems comprise Hot Wa- 

 ter Heating-, Steam Heating, and 

 the combination of Steam and 

 Water. 



Over tOOO Boilers in Use. 



Exeter MacMne fforis 



50 Federal St., Boston, and Eieter, N. H. 



We solicit correspondence from 

 any party contemplating a change 

 in their apparatus. •:.f.i2 



BY LOW PR£SSUR£ STEAM. 



mh.S SATISFACTORY PERFORMANCE OF ArPARATUS GUARANTEED. ADDRESS, 



E. H.BOCHMAN. - - - - Box 373, Pittsburgh, Pa. 



PBACTICAL AXD SCIENTIFIC BOOKS. 



Amateur's Handbook for Workshop and Laboratory, neatly bound 8 .15 



Book for Beginners with the Microscope, Phin, boards, fully Illustrated 30 



Celestial Objects for Common Telescopes, Webb, fully Illustrated, cloth 3.00 



Cements and Glue, Phin, stiff covers 26 



Chemical Historj' of the Six Days of Creation, Phin, 12mo, cloth 75 



Common Objects for the Microscope, Wood, 400 Illustrations, 12 colored plates 50 



■ Diatoms, A. Mead Edwards, 12mo, cloth 76 



Diatoms, F. T. Kutzing, 12mo, cloth : 60 



Five Hundred and Seven Mechanical Movements, Brown, Eleventh Edition l.OO 



• How to See with the Microscope, Smith, handsomely Illustrated 2.00 



•How to Use the Microscope, Phin, 86 Engravings, tinted paper, 12mo 1.00 



Lectures in a Workshop, Pemberton, r2mo, cloth . . . -. ; 1 .00 



Lightning RoiLs, Construction and Erection, Phin, fully Illustrated, 12mo, cloth 60 



Mechanical Draughting, Pemberton, Illustrated, cloth l.OO 



.Microscope and Its Revelations, Carpenter, pp. 882, cloth, 26 plates, 500 Engravings 5.60 



Microscopical Examination of Drinking Water, McDonald, 8vo,. cloth, 24 plates 58. 75 



One Thousand Objects for the Microscope, Cooke, 12 plates, 500 figures, 12mo, boards 50 



Ponds and Ditches, M. C. Cooke, 12mo, cloth 75 



Section Cutting : To Prepare and Mount Sections for Microscope, Marsh, 12mo, cloth 76 



■Shooting on the Wing, by an Old Gamekeeper, 12mo, cloth 76 



Steel Square and Its Uses, Hodgson, cloth ...• 76 



What To Do and How To Do It, in Case of Accident, 12mo, cloth 60 



'Wood Engraving, Instruction in the Art, Fuller, fully Illustrated 30 



Mailed, post free, oh receipt of price. CHAS. H. MAROT, 8 14 Chestnut St., Philadelphia. 



X'SSENA NLTRSERIEC 



■ ^ TREES AND SHRUBS-OLD, NEW, RARE AND HARDY. ^^ 



PARSONS A SONS CO., Limited, 



Descriptive Catalogue Free. r, IFHiTTSHZinSTG-, L. I. 



