Methane Digesters for Fuel Gas and Fertilizer. With Complete Instructions for Two Working Models. Newsletter no. 3

Pescadero CA / Woods Hole MA: The New Alchemy Institute -West / The New Alchemy Institute -East, 1973. Pamphlet. 47p., illustrated with b&w photos, charts and diagrams, oversize pamphlet format in 11x8.5 inch decorated wraps. Tenth printing. Cover has picked up a little dust- and handling-soil, edges mildly toned, text has a few ink-tic emphases, find a "Personal Property Clearance Security" rubberstamp filled in with badge, unit and date info. Good to very good copy.

Cat.No: 198461

Price: $20.00