t to our noticewe may mention that of an improved caster, for which letterspatent have recently been applied for by Mi-. J. M. Harper,of El Paso,United States of America (as a communication toG. F. Redfem, of 4, South-street, Pinsbiiry), and which casterthe inventor claims as supplying a long-felt… … platform having three radiating arms, each resting oh a smallroller. The advantages claimed for this caster are that theycan be used mider any article with legs, as above described,no matter how heavy, as well imder one with oidy three legs asone with four; that one person can adjust them; that…
