Compound microscope in mahogany case
1839-1845
Gould microscope with boxfoot
1830-1850
Cuff type microscope
1870-1890
J.B. Dancer Microphotographs
1860
Four and a half inch refracting telescope made by J.B Dancer
circa 1860
Binocular Compound Microscope
1861
Rule used by James Joule
circa 1858
Microphotograph, made by Dancer
1860
Microphotograph "Photograph from life of J. B. Dancer"
1855-1857
Four microphotographs by JB Dancer
1860; 1860
Forty-four microphotographs by J. B. Dancer
1860
Ruler
1860-1880
Compound Microscope
1860-1865
Aneroid barometer
1860
Gyroscope, made by J. B. Dancer
1855-1865
Compound Microscope with display case and storage case
1855
Portable Balance
1850-1860
Dancer Protractor
1860
Dancer Ruler
1860-1870
Stereoscopic camera (J.B.Dancer's Stereoscopic camera)
1856
Dumpy level
circa 1850
Compound Microscope
1850-1855
Experimental daguerreotype
1842
Microscope slide cabinet
circa 1860
Spectacles Made By J.B. Dancer
1860
Refracting Telescope
1855-1865
Plate holder and Shutter
1856
Dancer Hydrometer
1855-1865
Portable chemical balance
circa 1855
Refracting Telescope
1855-1865
Rolling parallel rule, made by John Benjamin Dancer
circa 1860
Half-plate camera
circa 1860
J.B. Dancer_x000D_ _x000D_ Micrograph View
circa 1862
microphotograph
1860
Framed daguerreotype of a painting of a battle
circa 1842
Binocular stereoscopic camera no. 12
circa 1856
Compound Microscope
1860
Microphotograph, made by Dancer
1860
Microscope Case
1855-1865
Dumpy Level
1870-1880
J.B. Dancer Compound Microscope
1865-1870
Six microphotographs by J. B. Dancer
1860
Box Sextant
1855-1865
Micro-Lantern Attachment
1855-1860
Portable microscope
1860-1865
Portable microscope
1860-1870
Surveying Compass
1845-1855
Microprojector, made by J. B. Dancer.
1850-1860
Microtome by J.B. Dancer
1860-1865
Stereoscope, made by J. B. Dancer (brasswork) and Louden (optics) to Brewster's design
circa 1853; 1853