1st item: Kemp & Co., Edinburgh, Scotland, brass balance scale on wooden base with drawer compartment, 8 brass and metal scale weights of various measurements and 1 horn scale pan included in compartment. Maker's mark inlaid on base. 12 5/8" H x 8 7/8" W x 4 1/4" D. Circa 1820. 2nd item: Solomon Maw & Son, Aldersgate St., London, England, brass microscope. Wooden case with brass hardware. Maker's mark on base. Key to case missing. Assembled microscope – 11 3/4" H x 4" W x 5" D. Case – 8 1/8" H x 6 1/8" W x 4 5/8" D. Circa 1860-1875. 3rd item: Continental burl and brass inlay shelf clock with painted clock face. Unmarked. 2 keys included. 10 3/4" H x 9" W x 4 1/2" D. 19th century. 4th item: Russian icon, tempera on board, depicting a crowned saint. Unsigned. Mounted to contemporary wooden frame. Icon – 6 1/4" H x 2 3/4" W x 5 /8" D. 20th century. Provenance: Private collection, Knoxville, TN. CONDITION: 1st item: Scales in overall good condition. Scattered scratches to wooden base. 1/4" wood chip, back of base. 2nd item: Microscope in overall good condition. Scattered scratches to wooden case. 3rd item: In working condition. Cracks to wood, largest 3/4", around clock face. Craquelure on surface of clock face. 3/4" water stain, top of clock. 4th item: Craquelure on surface of icon.