Compound monocular microscope
1870-1880
Bell Transmitter with Membrane Diaphragm, 1875-1877
1875-1877
'Leesona' Pirn Winder
1893-1959
Keystone Model A-12 Cine Camera
1949
Stereo Hawkeye Model No 2 camera. Stereoscopic camera for roll film 118
circa 1904-1907
Grover and Baker two-thread chain-stitch sewing machine, 1871.
1871
Singer Lockstitch sewing machine model of 1851
1851-1855
Keystone Model A-3 16mm camera
1937
Keystone Mayfair 16mm camera Model K-55
1950
Microscope by Tolles, 1870
1870
Ritchie's patent liquid compass with hollow metal cross type compass rose in tin bowl
07-04-1863
Hypodermic syringe
1900-1914
Hammond's Improved Planisphere
1890-1910
X-ray tubes
1910-1920
Double thread chain-stitch treadle sewing machine
1853-1858
Keystone Executive 16mm camera Model K-51
1958
Wooden shoe polisher by Whittemore Bros. and Co., Boston
Crosby pressure gauge indicator
Industrial lockstitch button hole sewing machine by The Union Button Sewing Machine Co.
Mason patent steam pressure reducing valve, 1886
1886-1910
Metal piston-action syringe
Celestial globe (12-inch) by Josiah Loring
1833
Gas burner for lighting by electricity
1879
Student microscope on cast iron stand
1900-1925
Hypodermic syringe for administering anaesthetics in the mouth
Watch movement converted from key winding to keyless winding
1860-1910
Demonstration microscope by Tolles
1850-1880
Combined vaginal
1871-1900
Cataract cryoextractor
1980
Caisson gauge, calibrated for heat, 1940
1940
Whitworth square die nut
Comins electro-psychrometer by the American Moistening Co.
1910
Atomiser, made by Whitall Tatum Company
Vaginal speculum
1851-1900
Main drive
1880-1920
Lloyd hygrodeik, 1903.
1903
Uterine curette with steel shaft and ebony handle
1871-1900
Four cards showing a show
Paper doll from Stanford-Binet Preschool Scale Material
1937
Stanford-Binet Intelligence Scale
1937-1958
Case for refracting telescope of 2 7/8-inch aperture with mahogany tube by Robert B. Tolles
1870-1880
Flow counter
1950-1960
Keystone 8mm projector Model K75
Stanford-Binet Preschool Scale Material
1937-1958
The "Small" Pocket Calculator
Magneto wall telephone by Charles Wiliams
circa 1880
Remington Arms Company lock-stitch sewing machine, 1870.
1870
Keystone 8mm camera model K-8
1937
Notice of ‘The late Sarti's new Florentine anatomical model’ exhibit, Boston, England, c. 1854
1850-1859
Admission ticket to medical lectures on midwifery, Boston, United States, 1830-1837
1830-1837