McAllister & Co. at the old established stand No. 48 Chestnut Street : third door above Second St., Philadelphia. Have always for sale a great variety of spectacles, ... They have also for sale mathematical instruments, ... Spy glasses, ... Microscopes, ... Thermometers, ... Walking canes. ... A liberal discount made to those who purchase to sell again. Spectacles repaired,--new glasses fitted to old frames, &c.