Agents wanted for vacant places.
Prospectuses, Forms of Proposal, and every other information, may be obtained of the Secretary at the Chief Office, or on application to any of the Society's Agents in the country.
F.G.P. NEISON, Actuary.
C. DOUGLAS SINGER, Secretary.
NEW ACHROMATIC MICROSCOPES on MR. PRITCHARD'S Construction, Micrometers, Polarizing Apparatus, Object-glasses, and Eye-pieces. S. STRAKER supplies any of the above of the first quality, and will forward by post free a new priced List of Microscopes and Apparatus.
162. FLEET STREET, LONDON.