Simply a must for anyone researching about antique lenses, its construction, variations, characteristics, producers, genealogies and dates among other information. An incredible work, result of may years of work from authot Matthew Wilkinson, the Lens Vade Mecum is a posthumous publication finished by family and friends based on originals and notes. The electronic version can be acquired following this link: A Lens Collector’s Vade Mecum.
Excellent publication, i have copies on:
Paper Xerox includes pictures,
Draft edn feb 1997 3 vol
CD 25.1.2000.
I was lucky to meet Mr Wilkinson many years ago when a friend who was an optics nut was building a mirror lens system for Mr Wilkinson, a nice gentleman.