A month going mahogany Graham-style regulator with equation of time

A month going mahogany Graham-style regulator with equation of time
Signed on the backplate, "Peter Lazarus / bürgls Gross Uhrmacher Meister / in Wien / verfertiget Anno 1806"
Movement: Mounted on a brass bracket on the back board, the substantial tapered plates joined by six latched knopped pillars, Graham-type dead beat escapement with maintaining power activated by a lever on the front plate and engaging an intermediate wheel, end capped train, steel crutch with adjustable pin engaging brass rod pendulum with massive lenticular bob suspended from back board, brass clad weight, day and month calendar work planted on the front plate, the day wheel linked to a subsidiary year wheel with equation cam by a worm gear with rod and a bevel gear
Dial: Within gilt bezel, resilvered , repainted roman chapter ring enclosing subsidiary seconds, date and month rings, blued hands, the concentric equation hour hand with gilt sunburst
Case: Architectural pediment to glazed hood, above trunk with glazed front and side panels, on plain plinth
Size: 80 ½ in (204cm) high