13 results found for 'J Douglas Smith'
A Sauce for Semaphores - Part 1: In Search of a Recipe
Issue 111 (1999)
Experimenting with relays has led to an improved signal actuating unit controlled electronically.
A Sauce for Semaphores - Part 2: A Cook Book
Issue 122 (2000)
Continuing the culinary theme of Part 1 in MRJ No.111, J. Douglas Smith gives some 'recipes' for improved Signal Actuating Units, controlled electronically.
A Sauce for Semaphores - Postscript: A New Recipe
Issue 130 (2001)
With an important ingredient no longer available, a cook has to adapt. J. Douglas Smith has devised a new recipe for making SAUCE using ingredients which are currently in season.
A Self-Indicating Electric Buffer
Issue 168 (2006)
J Douglas Smith makes a well-tried device more user-friendly.
Crossing Assembly Jig
Issue 138 (2002)
Crossing Assembly Jig in EM
Etching At Home
Issue 57 (1992)
In the first of two major studies into chemical methods of metal shaping, J. Douglas Smith looks at a neglected do-it-yourself tool for modellers - the etching process. There's no mystery; all it takes is care, common sense and readily available materials.
Concluded in issue 58.
Etching at Home
Issue 58 (1992)
Douglas Smith concludes his examination of the etching process as it might be applied by modellers working at home.
Concluded from issue 57.
Grow Your Own Rivets
Issue 90 (1996)
MRJ 57 & 58 saw a description of a DIY method for etching. Here we see how comparable chemical techniques can be used to add metal rather than cut it away.
Keeping rust on a wing and a check
Issue 165 (2006)
J. Douglas Smith finds a simple remedy for a perennial modelling faux pas.
Issue 131 (2001)
Taking nothing on trust, J. Douglas Smith measured the performance of some pointwork components and constructional techniques.