Tolles student-type compound microscope
Datecirca 1880
Inventory Number1158
ClassificationMicroscope
Subject
Maker
Boston Optical Works
fl. 1867 - 1895
Maker
Robert B. Tolles
1823 - 1883
Cultural Region
Place of Origin
Dimensions38 × 15.3 × 18 cm (14 15/16 × 6 × 7 1/16 in.)
Material
Accessories1 Tolles objective 1/4 "; 1 ocular 24.5 mm dia.; stage clips; no condensor; diaphragm wheel; single concave substage mirror; no case.
DescriptionNickel plated tube sliding in brass sleeve for coarse focus. Spring loaded, nickel plated stage top with screw on top for fine focus. No x-y motion, no condensor. Diaphragm wheel and concave substage mirror. Like No. 1131, but with smaller stage.
In Collection(s)
Signedon tube: Boston / Optical Works / Tolles
Inscribedon arm where the stage is fastened: 8
Curatorial RemarksSome components have been exchanged; see file.
ProvenanceBoston Society of Natural History; Dr. Clarence A. Cheever; gift to Ernst-Lewis Collection of Microscopes (inv. no. 158), Harvard Medical School, April 23, 1941.
Historical AttributesNote from Dr. Lewis: "Received from Dr. Clarence A. Cheever, April 23, 1941. No box. Belonging with 158 are 3 eyepieces and 3 objectives. This outfit had been presented to the Boston Society of Natural History (to Mr. Sanford) by an unrecorded donor. It was being used for the instruction of children when Dr. Cheever obtained it by exchange for a more modern microscope."
Boston Optical Works
Date: circa 1870
Accessories: 3 Tolles oculars 24.5 mm dia. : high power solid, med and low Huyghens; 2 Tolles objectives: 1/6 immersion dated 11/3/1878 and 1"(by can), no date, no collar; polarizer, no analyzer; substage double mirror; diaphragm wheel; no condenser; case.
Object number: 1130
Boston Optical Works
Date: circa 1875
Accessories: 1 Ocular; extension tube : "Tolles' Amplifier"; 1 nondescript objective whithout shell; diaphragm wheel but no condensor; concave substage mirror; x-y sliding stage; stage clips.
Object number: 1129
Boston Optical Works
Date: circa 1870
Accessories: 1 Tolles objective with cap : 1/4" 40 deg. , dated 5/12/1868; 2 oculars 24.5 mm dia. ; simple stage with clips; diaphragm wheel; no condensor; substage mirror; objective cap; standing walnut case.
Object number: 1286
Boston Optical Works
Date: circa 1870
Accessories: 3 Tolles objectives: 1 with 3 fronts; empty can 8/10; 5 Tolles oculars 34 mm dia.: 2 all solid, 2 solid field l. & single eye lens, 1 std.; centerable condenser with diaphragm wheel; mech. stage; side illuminator prism; cabinet.
Object number: 1016a
Robert B. Tolles
Date: after 1877
Accessories: 3 Tolles objectives: 1/4 with collar, no date; 1/2 "TOLLES, BOSTON, dated 1877, cap instead of can; 2" (unusual) in can; 2 anonymous 24.5mm dia. oculars; single substage mirror; stage clips; double mirror on stand; standing case with key.
Object number: 1131
Robert B. Tolles
Date: circa 1880
Accessories: Tolles ocular, 24.5 mm dia.; Tolles 1/4" objective; no condensor; diaphragm wheel; concave/flat substage mirror; standing walnut case.
Object number: 1294
Boston Optical Works
Date: circa 1870
Accessories: 3 Tolles objectives: 1 with 3 fronts; empty can 8/10; 5 Tolles oculars 34 mm dia.: 2 all solid, 2 solid field l. & single eye lens, 1 std.; blue filter; case; key. Also see 1016a: microscope with centerable condenser with diaphragm wheel; and mechanical stage. 1016c: side illumination prism. 1016d, e, f: specialized Tolles objectives.
Object number: 1016b
Boston Optical Works
Date: 1860-1890
Accessories: Three dated Tolles objectives: 1/2" Nov. 18, 1860, 1/4" Dec. 23, 1877, 1/5" Oct. 28, 1868; 1 high power solid eyepiece, 1 low power normal eyepiece; polarizer; substage mirror; mechanical stage, standing case.
Object number: 1066
Robert B. Tolles
Date: circa 1874
Accessories: 3 Objectives: Tolles (?) with front element missing, no date; Leitz 1/12 oel imm., tubus 160 mm; Tolles 1/6" 35 deg., no date; 4 Tolles oculars 24.5 mm dia.; condensor w. iris; diaphragm wheel; substage mirror w. opt. stand; Nichol's micr.; case. camera luc Abbe condensor; diaphragm wheel; separate stand f. substage mirror; standing case.
Object number: 1305
Robert B. Tolles
Date: circa 1875
Accessories: 2 Tolles objectives: 1/8" dated 6/27/1866; 1/8" 120 deg. dated 3/7/1869, can marked: Immersion, also scratched: C. X. D. 1902; empty can for Tolles 1/4", now on inverted Tolles Nr. 1203; 2 oculars, no name, not solid, 24.5 mm dia.; Standing case.
Object number: 1127
R. B. Tolles and C. E. Grunow
Date: circa 1860
Accessories: No objective; 1 medium power solid Tolles ocular of 34 mm dia., marked: "Pat'd. Sept. 25 1855." ; no condenser or diaphragm; single small concave substage mirror.
Object number: 1137
Boston Optical Works
Date: circa 1880
Accessories: 1 ocular; 1 objective 16mm 0.25 10x B&L
Object number: 1338