C. J. Hails books & textbook

Investigation of the mercury arc rectifier by means of the oscillograph

Hail, J C Campbell, E E

Ulan Press /2012-08-31 Paperback / 158 Pages

A Guide to the Bukit Timah Nature Reserve

Choo-Toh Get Ten C. J. Hails Bernard Harrison Wee Yeow Chin Wong Yew Kwan Tan Keong Choon

Singapore Science Centre /1985T Unknown Binding / 138 Pages
isbn-10: 9971880601 / isbn-13: 9789971880606

“Collector’s Edition” Investigation of the mercury arc rectifier by means of the oscillograph 1907 [Premium Leather Bound]

Hail, J. C,Campbell, E. E

Rare Biblio /2024T Leather Bound / 164 Pages