w g cady (2 risultati)

Hardcover. Condizione: Very Good. No Jacket. First Edition. A very good copy of the hard cover edition , lacking a dust-jacket (no doubt as issued). The text is wholly unmarked, pristine, and the red cloth binding is bright and fresh in appearance, although the gilt lettering on the spine has rather faded. A lovely copy. [Please note: This is not an ex-library copy.].

Soft cover. Condizione: Good. No Jacket. Scientific Journal. Pages lightly toned (tanned). Most pages have at least one mildly bent and/or creased corner tip. Exterior covers soiled and with some water stains along the spine and spine-adjacent parts of the front and back cover. Bottom 3/4" of the spine paper is missing. A little wear and a few small chips or tears along the edges of the front and back covers, none of which exceed about 1/4". Will be bubble-wrapped and carefully packed in a sturdy box to ensure safe transit. This issue includes: In addition to Institute business, this issue includes the following technical papers: "Modes of Vibration in Piezo-Electric Crystals"; "Some Characteristics and Applications of Four-Electrode Tubes"; "The Inverted Vacuum Tube, a Voltage-Reducing Power Amplifier"; "Development of a New Power Amplifier Tube"; "Measurement of Vacuum-Tube Capacities by a Transformer Balance"; "A Direct-Capacity Bridge for Vacuum-Tube Measurements"; "A Bridge Method for the Measurement of Inter-Electrode Admittance in Vacuum Tubes"; "Discussions on F.K. Vreeland Paper"; "Broadcast Control Operation"; and "Bibliography on Piezo-Electricity". Important Note: I only charge .50 per item shipping for second and subsequent items in a single order shipping within the United States.