Warren's Shades and Shadows 8vo, $3 00 



M Stereotomy Stone cutting 8vo, 250 



Whelpley's Letter Engraving 12mo, 2 00 



ELECTRICITY AND MAGNETISM. 



ILLUMINATION BATTERIES PHYSICS RAILWAYS. 



Anthony and Brackett's Text- book, of Physics. (Magie.) Small 



8vo, 3 00 



Anthony's Theory of Electrical Measurements 12mo, 1 00 



Barker's Deep-sea Soundings 8vo, 2 00 



Benjamin's Voltaic Cell 8vo, 3 00 



History of Electricity 8vo, 3 00 



Classen's Analysis by Electrolysis. (Herrick and Boltwood.) 8vo, 3 00 



Cosmic Law of Thermal Repulsion 12m o, 75 



Crehoreand Squier's Experiments with a New Polarizing Photo- 

 Chronograph 8vo, 3 00 



Dawson's Electric Railways and Tramways. Small, 4to, half 



naoroccc, 12 50 



* Dredge's Electric Illuminations. . . .2 vols., 4to, half morocco, 25 00 



Vol. II 4to, 7 50 



Gilbert's De magnete. (Mottelay.) 8vo, 2 50 



Holman's Precision of Measurements 8vo, 2 00 



Telescope-mirror-scale Method Large 8vo, 75 



Lob's Electrolysis and Electrosynthesis of Organic Compounds. 



(Lorenz.) 12mo, 1 OC 



*Michie's Wave Motion Relating to Sound and Light, 8vo, 4 00 



Morgan's The Theory of Solutions and its Results 12mo, 1 00 



Niaudet's Electric Batteries. (Fishback.) .12mo, 2 50 



Pratt and Alden's Street-railway Road-beds 8vo, 2 00 



Reagan's Steam and Electric Locomotives 12mo, 2 00 



Thurston's Stationary Steam Engines for Electric Lighting Pur- 

 poses 8vo, 250 



*Tillman's Heat 8vo, 1 50 



7 



