A Tate’s double acting vacuum pump by Townson & Mercer, of Bishopsgate, London. circa 1890.
With glass bell jar, 7 inch diameter.
Width: 60 cm.
Depth: 24 cm.
Catalogue of chemical apparatus and pure chemicals sold by Townson & Mercer. 1888. Page: 228.
Nineteenth-century Scientific Instruments, Gerard L’Estrange Turner, 1893. Page 101.
Townson & Mercer, 89 Bishopsgate Street Within, London. Established 1798.
Thomas Turner Tate (1807 – 1888). invented his pattern of a double piston air pump in 1856.