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THIS paper describes work done to translate the theory of Structural Sandwich Panel Design into a form in which it could be used for rapid estimation in a design office.

IN 1954 when two Comet 1 aircraft were lost in unusual circumstances, an intensive study of possible causes was made and everything pointed to there having been explosive decompression of the cabins of both aircraft. Research into metal fatigue was given a much higher priority and the official requirements for the design of such cabins were tightened up. It was hoped that there would be no repetition of such disasters.

A new department has been formed by Bristol Aircraft Limited to design, plan, and co‐ordinate work on the interior furnishing of Britannia airliners. Known as the Britannia Furnishing Department, it is believed to be the first specialist unit of its kind to be set up in the British aircraft industry. Mr A. G. L. Langfield and Mr Donald Diamond have been appointed respectively Manager and Designer.

This subsidiary of the Fairey Aviation Company Limited, of which Mr. J. Ballantyne is Managing Director, has opened separate offices at 29 Buckingham Street, Strand, W.C.2 (Telephone: Temple Bar 0979), to deal with the export sales side of the business under Mr. Gordon. Aeroplastic is a resin‐bonded fibre‐base material of thermo‐setting type sufficiently strong to be used structurally in a wide range of articles in addition to its applications in aircraft, for which it was originally developed.

This is, in effect, an illustrated directory of the aircraft types built by the various German constructors who now compose the MBB triumvirate.

THE existence of compass errors on ships resulting from the presence of masses of iron in the vicinity of the compass and the method of compensating such errors have been known for over a century. In aircraft the problem is essentially similar, but an additional complication arises where there are moving masses in close proximity to the compass, as the effect of such masses in distorting the Earth's magnetic field depends on their position and therefore cannot be adequately compensated by the usual methods.

This book, which is intended mainly for the use of students, deals with water properties of floats and hulls. Two chapters are devoted to the basic principles of flotation units, and the methods of finding the centre of buoyancy and metacentric heights are clearly shown. These chapters are followed by chapters on tank testing, float and flying‐boat hull design, and a final chapter on design data.

These two volumes cover the normal requirements of a university course in skeletal structures designed principally for Civil Engineering undergraduates. The first contains a wide selection of the traditional background together with the newer developments. In the second volume, the theories are illustrated and the author's ideas are confirmed by means of many fully calculated examples.

This article draws on the literature on valuation and evaluation and the orders of worth framework to consider the process of knowledge commercialization from academia to practice. Based on the study of two knowledge commercialization projects in a business school, the study contributes by showing how the orders of worth framework may assist in understanding the assignment of worth to knowledge-based objects in the context of multiple and potentially competing systems of valuation. The study also adds to the literature on the orders of worth framework by showing how “composite objects” or “assemblages” that achieve compromise or synergy (i.e., mutual reinforcement) between different value systems may be constructed and potentially sustained.

Interprofessional collaboration and coordination are critical to developing solutions to complex problems, and many workplaces engage in coordination and collaboration across organizational boundaries. This development changes work conditions and workplaces for many people. The ethnographic study of workplaces needs to re-configure the toolbox to adjust to such changes. The purpose of this study was to explore how the ethnographic study of dispersed workplaces can benefit from the analytical concept of boundary work.

A multi-sited ethnographic study was conducted in two health promotion programs, introducing new collaborative relations across sectors and professions. The concept of boundary work was applied as the conceptual frame and introduced the diagnosis of gestational diabetes mellitus (GDM) as a boundary object.

Professional boundaries are key to understanding interorganizational and interprofessional collaborations. The ethnographic study of complex, multi-sited settings using boundary work as a conceptual framework can enrich workplace ethnographies by demonstrating how professions position themselves through framing. Such framing strategies are used to construct, defend or contest boundaries. Boundary objects may potentially bridge devices connecting people across boundaries.

The traditional ethnographic notion of “following” an object or a subject is difficult in a workplace environment dispersed across multiple sites and involving many different actors. This suggests that workplace ethnographies studying interorganizational workplaces would benefit from a shift in focus from place-based or group-based ethnography to a field-level ethnography of relations using boundary work as an analytical frame.