A catalogue of the genuine and curious collection of mathematical instruments, gems, pictures, bronzes, busts, urns, cabinets, curious clocks, book-cases, &c. [electronic resource] : of Martin Folkes, Esq; Late of Queen-Square, Holborn, Deceas'd; Which, (by Order of the Executor) Will be sold by auction, By Mr. Langford, At his House in the Great Piazza, Covent Garden, On Wednesday the 7th, and Thursday the 8th, of this Instant May 1755. The said Collection will be exhibited to public View on Monday the 5th Instant, till the Time of Sale, which will begin punctually each Day at Twelve O'Clock. Catalogues of which may be had at Mr. Langford's in the Great Piazza, Covent Garden, aforesaid. Note. The valuable Collection of Coins, Medals and Medallions, in Gold, Silver, and Brass, and likewise the Collection of Prints and Drawings of the said Martin Folkes, Esq; will not be sold till next Spring, of which timely Notice will be given.