Acoustics Of Telephony No 25 D Reproduced From The Post Office Electrical Engineers' Journal April 1936 And Brought Upto date By The Author Ref : (318)13809 wt 27828 - p6655 10,000 4/36. EXTREMELY SCARCE

Richardson, E G ( B.A., Ph.D., D.Sc. )

Editore: The Post Office & HMSO London, 1936

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1st edition thus. 4to. 17 + (1)pp. 4 bw photo plates. Publisher's cream soft card wrappers, green lettering + green illustration outline of UK within white circle + " No 25 D " on front. Two staple hinges through. " Ripley Exchange " in neat light ink on top edge. Covers : slight furl rear bottom corner, faint dust marks+ 1cm light mark rear. Contents : very clean, tight & unfoxed. VG. Codice articolo 25130

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Titolo: Acoustics Of Telephony No 25 D Reproduced ...

Casa editrice: The Post Office & HMSO London

Data di pubblicazione: 1936

Legatura: Soft cover

Condizione: Very Good

Edizione: 1st Edition